<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 15-07-2026 05:35:09 PM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<schema targetNamespace="http://www.jhinvestments.com/20260702" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:jhss="http://www.jhinvestments.com/20260702" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:srt-types="http://fasb.org/srt-types/2025" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:oef="http://xbrl.sec.gov/oef/2025" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:oef-pre="http://xbrl.sec.gov/oef-pre/2025" xmlns:oef-lab="http://xbrl.sec.gov/oef-lab/2025" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:us-roles="http://fasb.org/us-roles/2025" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:oef-def="http://xbrl.sec.gov/oef-def/2025" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:srt="http://fasb.org/srt/2025" xmlns:oef-sr="http://xbrl.sec.gov/oef-sr/2025" xmlns:srt-roles="http://fasb.org/srt-roles/2025" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:stpr="http://xbrl.sec.gov/stpr/2025" elementFormDefault="qualified">
	<import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
	<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
	<import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
	<import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd"/>
	<import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>   
	<import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
	<import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
	<import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd"/>
	<import namespace="http://xbrl.sec.gov/oef-sr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-sr-2025.xsd"/>
	<import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
	<import namespace="http://fasb.org/us-roles/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd"/>
	<import namespace="http://fasb.org/srt-roles/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd"/>
	<annotation>
		<appinfo>
			<link:linkbase id="lnk">
				<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReport" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReport"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportHoldingsDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportLineGraphDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportAverageAnnualReturnDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ClassOnly"/>
				<link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#LargestHoldingOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other1CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other1CategoryOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#AdditionalIndexOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#BroadBasedIndexOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other2CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other2CategoryOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/SalesLoadOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#SalesLoadOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/MaturityOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#MaturityOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#IndustrySectorOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/CreditQualityOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#CreditQualityOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/GeographicRegionOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#GeographicRegionOnly"/>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReport">              
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000106430Member" xlink:label="C000106430Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000106430Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000078713Member" xlink:label="C000078713Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000078713Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000078712Member" xlink:label="C000078712Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000078712Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000113489Member" xlink:label="C000113489Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000113489Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001866Member" xlink:label="C000001866Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000001866Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001865Member" xlink:label="C000001865Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000001865Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001863Member" xlink:label="C000001863Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000001863Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212730Member" xlink:label="C000212730Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000212730Member" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212731Member" xlink:label="C000212731Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000212731Member" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212732Member" xlink:label="C000212732Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000212732Member" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000238026Member" xlink:label="C000238026Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000238026Member" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000247081Member" xlink:label="C000247081Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000247081Member" order="13.0" />
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000106430Member" xlink:label="C000106430Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000106430Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000078713Member" xlink:label="C000078713Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000078713Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000078712Member" xlink:label="C000078712Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000078712Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000113489Member" xlink:label="C000113489Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000113489Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001866Member" xlink:label="C000001866Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000001866Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001865Member" xlink:label="C000001865Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000001865Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001863Member" xlink:label="C000001863Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000001863Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212730Member" xlink:label="C000212730Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000212730Member" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212731Member" xlink:label="C000212731Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000212731Member" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212732Member" xlink:label="C000212732Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000212732Member" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000238026Member" xlink:label="C000238026Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000238026Member" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_C000247081Member" xlink:label="C000247081Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000247081Member" order="13.0" />   
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="InvestmentTypeCategorizationMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_ShortTermInvestmentsAndOtherMember" xlink:label="ShortTermInvestmentsAndOtherMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="ShortTermInvestmentsAndOtherMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_ConvertibleBondsMember" xlink:label="ConvertibleBondsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="ConvertibleBondsMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_PreferredSecuritiesMember" xlink:label="PreferredSecuritiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="PreferredSecuritiesMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_TermLoansMember" xlink:label="TermLoansMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TermLoansMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_ForeignGovernmentObligationsMember" xlink:label="ForeignGovernmentObligationsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="ForeignGovernmentObligationsMember" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember" xlink:label="MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:label="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="AssetBackedSecuritiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="AssetBackedSecuritiesMember" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="USGovernmentDebtSecuritiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="USGovernmentDebtSecuritiesMember" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:label="USGovernmentCorporationsAndAgenciesSecuritiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="USGovernmentCorporationsAndAgenciesSecuritiesMember" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="CorporateBondSecuritiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="CorporateBondSecuritiesMember" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MunicipalBondsMember" xlink:label="MunicipalBondsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="MunicipalBondsMember" order="13.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_OtherRevenueMember" xlink:label="OtherRevenueMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="OtherRevenueMember" order="14.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_RevenueBondsMember" xlink:label="RevenueBondsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="RevenueBondsMember" order="15.0" />
					<link:loc xlink:type="locator" xlink:href="#jhss_GeneralObligationBondsMember" xlink:label="GeneralObligationBondsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="GeneralObligationBondsMember" order="16.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_MaturityDomain" xlink:label="MaturityDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory2Domain" xlink:label="OtherCategory2Domain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/>
					<!--GeographicRegionDomain Only presentation and label linkbases-->			 
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_GeographicRegionDomain" xlink:label="GeographicRegionDomain"/>
					<!--IndustrySectorDomain Only presentation and label linkbases-->	
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				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CreditQualityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CreditQualityDomain" xlink:label="CreditQualityDomain"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_CCCAndBelowMember" xlink:label="CCCAndBelowMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="CCCAndBelowMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_ShortTermInvestmentsAndOtherQualityMember" xlink:label="ShortTermInvestmentsAndOtherQualityMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="ShortTermInvestmentsAndOtherQualityMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="NotRatedMember" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember" xlink:label="MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_USGovernmentCorporationsAndAgenciesSecuritiesQualityMember" xlink:label="USGovernmentCorporationsAndAgenciesSecuritiesQualityMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="USGovernmentCorporationsAndAgenciesSecuritiesQualityMember" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_USGovernmentDebtSecuritiesQualityMember" xlink:label="USGovernmentDebtSecuritiesQualityMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="USGovernmentDebtSecuritiesQualityMember" order="6.0"/>
				</link:definitionLink>
				<!--GeographicRegionOnly use only for STPR-->
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/GeographicRegionOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_GeographicRegionDomain" xlink:label="GeographicRegionDomain"/>
				</link:definitionLink>
				<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">               
					<link:loc xlink:type="locator" xlink:href="#jhss_BloombergUSAggregateBondC000106430IndexMember" xlink:label="BloombergUSAggregateBondC000106430IndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_BloombergUSAggregateBondC000106430IndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg U S Aggregate Bond C000106430 Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergUSAggregateBondC000106430IndexMember" xlink:to="label_BloombergUSAggregateBondC000106430IndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_BloombergUSAggregateBondC000001866IndexMember" xlink:label="BloombergUSAggregateBondC000001866IndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_BloombergUSAggregateBondC000001866IndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg U S Aggregate Bond C000001866 Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergUSAggregateBondC000001866IndexMember" xlink:to="label_BloombergUSAggregateBondC000001866IndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_CCCAndBelowMember" xlink:label="CCCAndBelowMember"/>
					<link:label xlink:type="resource" xlink:label="label_CCCAndBelowMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">CCC and below [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CCCAndBelowMember" xlink:to="label_CCCAndBelowMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_ShortTermInvestmentsAndOtherQualityMember" xlink:label="ShortTermInvestmentsAndOtherQualityMember"/>
					<link:label xlink:type="resource" xlink:label="label_ShortTermInvestmentsAndOtherQualityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short term investments and other Quality [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestmentsAndOtherQualityMember" xlink:to="label_ShortTermInvestmentsAndOtherQualityMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:label xlink:type="resource" xlink:label="label_NotRatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Not rated [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotRatedMember" xlink:to="label_NotRatedMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember" xlink:label="MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember"/>
					<link:label xlink:type="resource" xlink:label="label_MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mortgage Backed Security Issued by US Government Sponsored Enterprise Quality [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember" xlink:to="label_MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_USGovernmentCorporationsAndAgenciesSecuritiesQualityMember" xlink:label="USGovernmentCorporationsAndAgenciesSecuritiesQualityMember"/>
					<link:label xlink:type="resource" xlink:label="label_USGovernmentCorporationsAndAgenciesSecuritiesQualityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">US Government Corporations and Agencies Securities Quality [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentCorporationsAndAgenciesSecuritiesQualityMember" xlink:to="label_USGovernmentCorporationsAndAgenciesSecuritiesQualityMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_USGovernmentDebtSecuritiesQualityMember" xlink:label="USGovernmentDebtSecuritiesQualityMember"/>
					<link:label xlink:type="resource" xlink:label="label_USGovernmentDebtSecuritiesQualityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">US Government Debt Securities Quality [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentDebtSecuritiesQualityMember" xlink:to="label_USGovernmentDebtSecuritiesQualityMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_ShortTermInvestmentsAndOtherMember" xlink:label="ShortTermInvestmentsAndOtherMember"/>
					<link:label xlink:type="resource" xlink:label="label_ShortTermInvestmentsAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short term investments and other [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestmentsAndOtherMember" xlink:to="label_ShortTermInvestmentsAndOtherMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_ConvertibleBondsMember" xlink:label="ConvertibleBondsMember"/>
					<link:label xlink:type="resource" xlink:label="label_ConvertibleBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Convertible bonds [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleBondsMember" xlink:to="label_ConvertibleBondsMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_PreferredSecuritiesMember" xlink:label="PreferredSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_PreferredSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Preferred securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredSecuritiesMember" xlink:to="label_PreferredSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_TermLoansMember" xlink:label="TermLoansMember"/>
					<link:label xlink:type="resource" xlink:label="label_TermLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Term loans [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermLoansMember" xlink:to="label_TermLoansMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_ForeignGovernmentObligationsMember" xlink:label="ForeignGovernmentObligationsMember"/>
					<link:label xlink:type="resource" xlink:label="label_ForeignGovernmentObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Foreign government obligations [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignGovernmentObligationsMember" xlink:to="label_ForeignGovernmentObligationsMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_BloombergUSAggregateBondIndexMember" xlink:label="BloombergUSAggregateBondIndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_BloombergUSAggregateBondIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg U S Aggregate Bond Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergUSAggregateBondIndexMember" xlink:to="label_BloombergUSAggregateBondIndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000106430Member" xlink:label="C000106430Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000106430Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000106430 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000106430Member" xlink:to="label_C000106430Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000106430Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R6</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000106430Member" xlink:to="label_C000106430Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000078713Member" xlink:label="C000078713Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000078713Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000078713 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000078713Member" xlink:to="label_C000078713Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000078713Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R5</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000078713Member" xlink:to="label_C000078713Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000078712Member" xlink:label="C000078712Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000078712Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000078712 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000078712Member" xlink:to="label_C000078712Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000078712Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R4</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000078712Member" xlink:to="label_C000078712Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000113489Member" xlink:label="C000113489Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000113489Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000113489 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000113489Member" xlink:to="label_C000113489Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000113489Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R2</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000113489Member" xlink:to="label_C000113489Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001866Member" xlink:label="C000001866Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000001866Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000001866 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000001866Member" xlink:to="label_C000001866Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000001866Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class I</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000001866Member" xlink:to="label_C000001866Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001865Member" xlink:label="C000001865Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000001865Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000001865 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000001865Member" xlink:to="label_C000001865Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000001865Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class C</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000001865Member" xlink:to="label_C000001865Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000001863Member" xlink:label="C000001863Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000001863Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000001863 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000001863Member" xlink:to="label_C000001863Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000001863Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class A</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000001863Member" xlink:to="label_C000001863Member_2"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember" xlink:label="MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember"/>
					<link:label xlink:type="resource" xlink:label="label_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mortgage-Backed Securities, Issued by Private Enterprises [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember" xlink:to="label_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:label="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"/>
					<link:label xlink:type="resource" xlink:label="label_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:to="label_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="AssetBackedSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_AssetBackedSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Asset-Backed Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetBackedSecuritiesMember" xlink:to="label_AssetBackedSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="USGovernmentDebtSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_USGovernmentDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">US Government Debt Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentDebtSecuritiesMember" xlink:to="label_USGovernmentDebtSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:label="USGovernmentCorporationsAndAgenciesSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">US Government Corporations and Agencies Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:to="label_USGovernmentCorporationsAndAgenciesSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="CorporateBondSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_CorporateBondSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Corporate Bond Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CorporateBondSecuritiesMember" xlink:to="label_CorporateBondSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StandardPoorsBRatingMember" xlink:label="StandardPoorsBRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_StandardPoorsBRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Standard &amp; Poor&apos;s, B Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StandardPoorsBRatingMember" xlink:to="label_StandardPoorsBRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StandardPoorsBBRatingMember" xlink:label="StandardPoorsBBRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_StandardPoorsBBRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Standard &amp; Poor&apos;s, BB Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StandardPoorsBBRatingMember" xlink:to="label_StandardPoorsBBRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StandardPoorsBBBRatingMember" xlink:label="StandardPoorsBBBRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_StandardPoorsBBBRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Standard &amp; Poor&apos;s, BBB Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StandardPoorsBBBRatingMember" xlink:to="label_StandardPoorsBBBRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StandardPoorsARatingMember" xlink:label="StandardPoorsARatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_StandardPoorsARatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Standard &amp; Poor&apos;s, A Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StandardPoorsARatingMember" xlink:to="label_StandardPoorsARatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StandardPoorsAARatingMember" xlink:label="StandardPoorsAARatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_StandardPoorsAARatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Standard &amp; Poor&apos;s, AA Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StandardPoorsAARatingMember" xlink:to="label_StandardPoorsAARatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MoodysAaaRatingMember" xlink:label="MoodysAaaRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_MoodysAaaRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Moody&apos;s, Aaa Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MoodysAaaRatingMember" xlink:to="label_MoodysAaaRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MunicipalBondsMember" xlink:label="MunicipalBondsMember"/>
					<link:label xlink:type="resource" xlink:label="label_MunicipalBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Municipal Bonds [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MunicipalBondsMember" xlink:to="label_MunicipalBondsMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EnergySectorMember" xlink:label="EnergySectorMember"/>
					<link:label xlink:type="resource" xlink:label="label_EnergySectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Energy Sector [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EnergySectorMember" xlink:to="label_EnergySectorMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialServicesSectorMember" xlink:label="FinancialServicesSectorMember"/>
					<link:label xlink:type="resource" xlink:label="label_FinancialServicesSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financial Services Sector [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinancialServicesSectorMember" xlink:to="label_FinancialServicesSectorMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HealthcareSectorMember" xlink:label="HealthcareSectorMember"/>
					<link:label xlink:type="resource" xlink:label="label_HealthcareSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Healthcare Sector [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HealthcareSectorMember" xlink:to="label_HealthcareSectorMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RealEstateSectorMember" xlink:label="RealEstateSectorMember"/>
					<link:label xlink:type="resource" xlink:label="label_RealEstateSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Real Estate Sector [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RealEstateSectorMember" xlink:to="label_RealEstateSectorMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212730Member" xlink:label="C000212730Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000212730Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000212730 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000212730Member" xlink:to="label_C000212730Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000212730Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Investment-Grade Corporate Bond Portfolio</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000212730Member" xlink:to="label_C000212730Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_BloombergUSCorporateBondIndexMember" xlink:label="BloombergUSCorporateBondIndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_BloombergUSCorporateBondIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg U S Corporate Bond Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergUSCorporateBondIndexMember" xlink:to="label_BloombergUSCorporateBondIndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_ICEBofAUSHighYieldIndexMember" xlink:label="ICEBofAUSHighYieldIndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_ICEBofAUSHighYieldIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ICE BofA U S High Yield Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ICEBofAUSHighYieldIndexMember" xlink:to="label_ICEBofAUSHighYieldIndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212731Member" xlink:label="C000212731Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000212731Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000212731 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000212731Member" xlink:to="label_C000212731Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000212731Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Non-Investment-Grade Corporate Bond Portfolio</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000212731Member" xlink:to="label_C000212731Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000212732Member" xlink:label="C000212732Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000212732Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000212732 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000212732Member" xlink:to="label_C000212732Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000212732Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Securitized Debt Portfolio</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000212732Member" xlink:to="label_C000212732Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_BloombergUSSecuritizedMBSABSCMBSIndexMember" xlink:label="BloombergUSSecuritizedMBSABSCMBSIndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_BloombergUSSecuritizedMBSABSCMBSIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg U S Securitized MBS ABS CMBS Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergUSSecuritizedMBSABSCMBSIndexMember" xlink:to="label_BloombergUSSecuritizedMBSABSCMBSIndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_OtherRevenueMember" xlink:label="OtherRevenueMember"/>
					<link:label xlink:type="resource" xlink:label="label_OtherRevenueMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other revenue [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherRevenueMember" xlink:to="label_OtherRevenueMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_BloombergHighYieldMunicipalBondIndexMember" xlink:label="BloombergHighYieldMunicipalBondIndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_BloombergHighYieldMunicipalBondIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg High Yield Municipal Bond Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergHighYieldMunicipalBondIndexMember" xlink:to="label_BloombergHighYieldMunicipalBondIndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_BloombergMunicipalBondIndexMember" xlink:label="BloombergMunicipalBondIndexMember"/>
					<link:label xlink:type="resource" xlink:label="label_BloombergMunicipalBondIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bloomberg Municipal Bond Index [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BloombergMunicipalBondIndexMember" xlink:to="label_BloombergMunicipalBondIndexMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_PollutionMember" xlink:label="PollutionMember"/>
					<link:label xlink:type="resource" xlink:label="label_PollutionMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Pollution [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PollutionMember" xlink:to="label_PollutionMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_WaterAndSewerMember" xlink:label="WaterAndSewerMember"/>
					<link:label xlink:type="resource" xlink:label="label_WaterAndSewerMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Water and sewer [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WaterAndSewerMember" xlink:to="label_WaterAndSewerMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_HousingMember" xlink:label="HousingMember"/>
					<link:label xlink:type="resource" xlink:label="label_HousingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Housing [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HousingMember" xlink:to="label_HousingMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_TobaccoMember" xlink:label="TobaccoMember"/>
					<link:label xlink:type="resource" xlink:label="label_TobaccoMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tobacco [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TobaccoMember" xlink:to="label_TobaccoMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_AirportMember" xlink:label="AirportMember"/>
					<link:label xlink:type="resource" xlink:label="label_AirportMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Airport [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AirportMember" xlink:to="label_AirportMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_DevelopmentMember" xlink:label="DevelopmentMember"/>
					<link:label xlink:type="resource" xlink:label="label_DevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Development [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DevelopmentMember" xlink:to="label_DevelopmentMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_EducationMember" xlink:label="EducationMember"/>
					<link:label xlink:type="resource" xlink:label="label_EducationMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Education [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EducationMember" xlink:to="label_EducationMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_RevenueBondsMember" xlink:label="RevenueBondsMember"/>
					<link:label xlink:type="resource" xlink:label="label_RevenueBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Revenue bonds [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueBondsMember" xlink:to="label_RevenueBondsMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_GeneralObligationBondsMember" xlink:label="GeneralObligationBondsMember"/>
					<link:label xlink:type="resource" xlink:label="label_GeneralObligationBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">General obligation bonds [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralObligationBondsMember" xlink:to="label_GeneralObligationBondsMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000238026Member" xlink:label="C000238026Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000238026Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000238026 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000238026Member" xlink:to="label_C000238026Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000238026Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Non-Investment-Grade Municipal Bond Portfolio</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000238026Member" xlink:to="label_C000238026Member_2"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransportationSectorMember" xlink:label="TransportationSectorMember"/>
					<link:label xlink:type="resource" xlink:label="label_TransportationSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Transportation Sector [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransportationSectorMember" xlink:to="label_TransportationSectorMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhss_C000247081Member" xlink:label="C000247081Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000247081Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000247081 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000247081Member" xlink:to="label_C000247081Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000247081Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Bond Completion Portfolio</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000247081Member" xlink:to="label_C000247081Member_2"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeAxis" xlink:label="InvestmentTypeAxis"/>
					<link:label xlink:type="resource" xlink:label="label_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Investment Type [Axis]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentTypeAxis" xlink:to="label_InvestmentTypeAxis" priority="1"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNet" xlink:label="AssetsNet"/>
					<link:label xlink:type="resource" xlink:label="label_AssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Assets</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsNet" xlink:to="label_AssetsNet" priority="1"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentCompanyPortfolioTurnover" xlink:label="InvestmentCompanyPortfolioTurnover"/>
					<link:label xlink:type="resource" xlink:label="label_InvestmentCompanyPortfolioTurnover" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Investment Company Portfolio Turnover</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentCompanyPortfolioTurnover" xlink:to="label_InvestmentCompanyPortfolioTurnover" priority="1"/>                
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag"/>
					<link:label xlink:type="resource" xlink:label="label_NoTradingSymbolFlag" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">No Trading Symbol Flag</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_NoTradingSymbolFlag" xlink:to="label_NoTradingSymbolFlag" priority="1"/>		
				</link:labelLink>
			</link:linkbase>
		</appinfo>
	</annotation>   
	<element name="BloombergUSAggregateBondC000106430IndexMember" id="jhss_BloombergUSAggregateBondC000106430IndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="BloombergUSAggregateBondC000001866IndexMember" id="jhss_BloombergUSAggregateBondC000001866IndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="CCCAndBelowMember" id="jhss_CCCAndBelowMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="ShortTermInvestmentsAndOtherQualityMember" id="jhss_ShortTermInvestmentsAndOtherQualityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="NotRatedMember" id="jhss_NotRatedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember" id="jhss_MortgageBackedSecurityIssuedByUSGovernmentSponsoredEnterpriseQualityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="USGovernmentCorporationsAndAgenciesSecuritiesQualityMember" id="jhss_USGovernmentCorporationsAndAgenciesSecuritiesQualityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="USGovernmentDebtSecuritiesQualityMember" id="jhss_USGovernmentDebtSecuritiesQualityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="ShortTermInvestmentsAndOtherMember" id="jhss_ShortTermInvestmentsAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="ConvertibleBondsMember" id="jhss_ConvertibleBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="PreferredSecuritiesMember" id="jhss_PreferredSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="TermLoansMember" id="jhss_TermLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="ForeignGovernmentObligationsMember" id="jhss_ForeignGovernmentObligationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="BloombergUSAggregateBondIndexMember" id="jhss_BloombergUSAggregateBondIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000106430Member" id="jhss_C000106430Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000078713Member" id="jhss_C000078713Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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	<element name="C000113489Member" id="jhss_C000113489Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000001866Member" id="jhss_C000001866Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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	<element name="C000212730Member" id="jhss_C000212730Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="BloombergUSCorporateBondIndexMember" id="jhss_BloombergUSCorporateBondIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="ICEBofAUSHighYieldIndexMember" id="jhss_ICEBofAUSHighYieldIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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	<element name="C000212732Member" id="jhss_C000212732Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="BloombergUSSecuritizedMBSABSCMBSIndexMember" id="jhss_BloombergUSSecuritizedMBSABSCMBSIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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	<element name="BloombergHighYieldMunicipalBondIndexMember" id="jhss_BloombergHighYieldMunicipalBondIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="BloombergMunicipalBondIndexMember" id="jhss_BloombergMunicipalBondIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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	<element name="WaterAndSewerMember" id="jhss_WaterAndSewerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="HousingMember" id="jhss_HousingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="TobaccoMember" id="jhss_TobaccoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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	<element name="DevelopmentMember" id="jhss_DevelopmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="EducationMember" id="jhss_EducationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="RevenueBondsMember" id="jhss_RevenueBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="GeneralObligationBondsMember" id="jhss_GeneralObligationBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000238026Member" id="jhss_C000238026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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</schema>
