<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 16-09-2026 11:56:09 AM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<schema targetNamespace="http://www.personal1.vanguard.com/20260731" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsf="http://www.personal1.vanguard.com/20260731" 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="#vsf_C000008009Member" xlink:label="C000008009Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008009Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000032424Member" xlink:label="C000032424Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000032424Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008010Member" xlink:label="C000008010Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008010Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008012Member" xlink:label="C000008012Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008012Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008011Member" xlink:label="C000008011Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008011Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211922Member" xlink:label="C000211922Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211922Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211921Member" xlink:label="C000211921Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211921Member" order="8.0" />
				</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="#vsf_C000008009Member" xlink:label="C000008009Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008009Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000032424Member" xlink:label="C000032424Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000032424Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008010Member" xlink:label="C000008010Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008010Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008012Member" xlink:label="C000008012Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008012Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008011Member" xlink:label="C000008011Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008011Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211922Member" xlink:label="C000211922Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211922Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211921Member" xlink:label="C000211921Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211921Member" order="8.0" />   
					<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="#vsf_OtherAssetsAndLiabilitiesNetMember" xlink:label="OtherAssetsAndLiabilitiesNetMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="OtherAssetsAndLiabilitiesNetMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_VanguardRealEstateIIIndexFundMember" xlink:label="VanguardRealEstateIIIndexFundMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="VanguardRealEstateIIIndexFundMember" order="3.0" />
					<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="#vsf_OceaniaMember" xlink:label="OceaniaMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="OceaniaMember" order="2.0" />
					<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"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_AsiaMember" xlink:label="AsiaMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="AsiaMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EuropeMember" xlink:label="EuropeMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="EuropeMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_AfricaMember" xlink:label="AfricaMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="AfricaMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_NorthAmericaMember" xlink:label="NorthAmericaMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="NorthAmericaMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SouthAmericaMember" xlink:label="SouthAmericaMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="SouthAmericaMember" order="6.0" />
					<!--IndustrySectorDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/>	
					<link:loc xlink:type="locator" xlink:href="#vsf_DataCenterREITsMember" xlink:label="DataCenterREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="DataCenterREITsMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_HealthCareREITsMember" xlink:label="HealthCareREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="HealthCareREITsMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_IndustrialREITsMember" xlink:label="IndustrialREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustrialREITsMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_MultiFamilyResidentialREITsMember" xlink:label="MultiFamilyResidentialREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="MultiFamilyResidentialREITsMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_OtherSpecializedREITsMember" xlink:label="OtherSpecializedREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="OtherSpecializedREITsMember" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_RealEstateServicesMember" xlink:label="RealEstateServicesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="RealEstateServicesMember" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_RetailREITsMember" xlink:label="RetailREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="RetailREITsMember" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_SelfStorageREITsMember" xlink:label="SelfStorageREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="SelfStorageREITsMember" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_TelecomTowerREITsMember" xlink:label="TelecomTowerREITsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="TelecomTowerREITsMember" order="10.0" />
					<!--CreditQualityDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CreditQualityDomain" xlink:label="CreditQualityDomain"/>	
					<!--ExternalCreditRatingFitchMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingFitchMember" xlink:label="ExternalCreditRatingFitchMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingFitchMember" xbrldt:usable="false" order="1.0"/>
					<!--ExternalCreditRatingMoodysMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingMoodysMember" xlink:label="ExternalCreditRatingMoodysMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingMoodysMember" xbrldt:usable="false" order="2.1"/>
					<!--ExternalCreditRatingStandardPoorsMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingStandardPoorsMember" xlink:label="ExternalCreditRatingStandardPoorsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingStandardPoorsMember" xbrldt:usable="false" order="3.1"/>
					<!--CreditRatingAMBestDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CreditRatingAMBestDomain" xlink:label="CreditRatingAMBestDomain"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="CreditRatingAMBestDomain" xbrldt:usable="false" order="4.1"/>
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails">            
					<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="#vsf_C000008009Member" xlink:label="C000008009Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008009Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000032424Member" xlink:label="C000032424Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000032424Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008010Member" xlink:label="C000008010Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008010Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008012Member" xlink:label="C000008012Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008012Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008011Member" xlink:label="C000008011Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008011Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211922Member" xlink:label="C000211922Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211922Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211921Member" xlink:label="C000211921Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211921Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails">            
					<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="#vsf_C000008009Member" xlink:label="C000008009Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008009Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000032424Member" xlink:label="C000032424Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000032424Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008010Member" xlink:label="C000008010Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008010Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008012Member" xlink:label="C000008012Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008012Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008011Member" xlink:label="C000008011Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000008011Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211922Member" xlink:label="C000211922Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211922Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211921Member" xlink:label="C000211921Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000211921Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_WithSalesLoadMember" xlink:label="WithSalesLoadMember"/>
				</link:presentationLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly">               
					<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="#vsf_C000008009Member" xlink:label="C000008009Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000008009Member" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000032424Member" xlink:label="C000032424Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000032424Member" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008010Member" xlink:label="C000008010Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000008010Member" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008012Member" xlink:label="C000008012Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000008012Member" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008011Member" xlink:label="C000008011Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000008011Member" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211922Member" xlink:label="C000211922Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000211922Member" order="6.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211921Member" xlink:label="C000211921Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000211921Member" order="7.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other1CategoryOnly">               
					<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="#vsf_OceaniaMember" xlink:label="OceaniaMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="OceaniaMember" order="1.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other2CategoryOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory2Domain" xlink:label="OtherCategory2Domain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/LargestHoldingOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/SalesLoadOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_WithSalesLoadMember" xlink:label="WithSalesLoadMember"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists">               
					<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="#vsf_OtherAssetsAndLiabilitiesNetMember" xlink:label="OtherAssetsAndLiabilitiesNetMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="OtherAssetsAndLiabilitiesNetMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_VanguardRealEstateIIIndexFundMember" xlink:label="VanguardRealEstateIIIndexFundMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="VanguardRealEstateIIIndexFundMember" order="2.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly">              
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/MaturityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_MaturityDomain" xlink:label="MaturityDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_DataCenterREITsMember" xlink:label="DataCenterREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="DataCenterREITsMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_HealthCareREITsMember" xlink:label="HealthCareREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="HealthCareREITsMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_IndustrialREITsMember" xlink:label="IndustrialREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustrialREITsMember" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_MultiFamilyResidentialREITsMember" xlink:label="MultiFamilyResidentialREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="MultiFamilyResidentialREITsMember" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_OtherSpecializedREITsMember" xlink:label="OtherSpecializedREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="OtherSpecializedREITsMember" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_RealEstateServicesMember" xlink:label="RealEstateServicesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="RealEstateServicesMember" order="6.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_RetailREITsMember" xlink:label="RetailREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="RetailREITsMember" order="7.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_SelfStorageREITsMember" xlink:label="SelfStorageREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="SelfStorageREITsMember" order="8.0"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_TelecomTowerREITsMember" xlink:label="TelecomTowerREITsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="TelecomTowerREITsMember" order="9.0"/>
				</link:definitionLink>
				<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: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="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_AsiaMember" xlink:label="AsiaMember"/>
					<link:label xlink:type="resource" xlink:label="label_AsiaMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Asia [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AsiaMember" xlink:to="label_AsiaMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EuropeMember" xlink:label="EuropeMember"/>
					<link:label xlink:type="resource" xlink:label="label_EuropeMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Europe [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EuropeMember" xlink:to="label_EuropeMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_AfricaMember" xlink:label="AfricaMember"/>
					<link:label xlink:type="resource" xlink:label="label_AfricaMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Africa [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AfricaMember" xlink:to="label_AfricaMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_NorthAmericaMember" xlink:label="NorthAmericaMember"/>
					<link:label xlink:type="resource" xlink:label="label_NorthAmericaMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">North America [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NorthAmericaMember" xlink:to="label_NorthAmericaMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SouthAmericaMember" xlink:label="SouthAmericaMember"/>
					<link:label xlink:type="resource" xlink:label="label_SouthAmericaMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">South America [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SouthAmericaMember" xlink:to="label_SouthAmericaMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_DataCenterREITsMember" xlink:label="DataCenterREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_DataCenterREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Data Center REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DataCenterREITsMember" xlink:to="label_DataCenterREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_HealthCareREITsMember" xlink:label="HealthCareREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_HealthCareREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Health Care REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HealthCareREITsMember" xlink:to="label_HealthCareREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_IndustrialREITsMember" xlink:label="IndustrialREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_IndustrialREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Industrial REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustrialREITsMember" xlink:to="label_IndustrialREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_MultiFamilyResidentialREITsMember" xlink:label="MultiFamilyResidentialREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_MultiFamilyResidentialREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Multi Family Residential REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MultiFamilyResidentialREITsMember" xlink:to="label_MultiFamilyResidentialREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_OtherSpecializedREITsMember" xlink:label="OtherSpecializedREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_OtherSpecializedREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Specialized REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherSpecializedREITsMember" xlink:to="label_OtherSpecializedREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_RealEstateServicesMember" xlink:label="RealEstateServicesMember"/>
					<link:label xlink:type="resource" xlink:label="label_RealEstateServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Real Estate Services [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RealEstateServicesMember" xlink:to="label_RealEstateServicesMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_RetailREITsMember" xlink:label="RetailREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_RetailREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Retail REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetailREITsMember" xlink:to="label_RetailREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_SelfStorageREITsMember" xlink:label="SelfStorageREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_SelfStorageREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Self Storage REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SelfStorageREITsMember" xlink:to="label_SelfStorageREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_TelecomTowerREITsMember" xlink:label="TelecomTowerREITsMember"/>
					<link:label xlink:type="resource" xlink:label="label_TelecomTowerREITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Telecom Tower REITs [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TelecomTowerREITsMember" xlink:to="label_TelecomTowerREITsMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_OtherAssetsAndLiabilitiesNetMember" xlink:label="OtherAssetsAndLiabilitiesNetMember"/>
					<link:label xlink:type="resource" xlink:label="label_OtherAssetsAndLiabilitiesNetMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Assets and Liabilities Net [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsAndLiabilitiesNetMember" xlink:to="label_OtherAssetsAndLiabilitiesNetMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_VanguardRealEstateIIIndexFundMember" xlink:label="VanguardRealEstateIIIndexFundMember"/>
					<link:label xlink:type="resource" xlink:label="label_VanguardRealEstateIIIndexFundMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vanguard Real Estate II Index Fund [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VanguardRealEstateIIIndexFundMember" xlink:to="label_VanguardRealEstateIIIndexFundMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_OceaniaMember" xlink:label="OceaniaMember"/>
					<link:label xlink:type="resource" xlink:label="label_OceaniaMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Oceania [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OceaniaMember" xlink:to="label_OceaniaMember"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008009Member" xlink:label="C000008009Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000008009Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000008009 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008009Member" xlink:to="label_C000008009Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000008009Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fund Level</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008009Member" xlink:to="label_C000008009Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000032424Member" xlink:label="C000032424Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000032424Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000032424 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000032424Member" xlink:to="label_C000032424Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000032424Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">ETF Shares</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000032424Member" xlink:to="label_C000032424Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008010Member" xlink:label="C000008010Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000008010Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000008010 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008010Member" xlink:to="label_C000008010Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000008010Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Investor Shares</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008010Member" xlink:to="label_C000008010Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008012Member" xlink:label="C000008012Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000008012Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000008012 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008012Member" xlink:to="label_C000008012Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000008012Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Institutional Shares</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008012Member" xlink:to="label_C000008012Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000008011Member" xlink:label="C000008011Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000008011Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000008011 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008011Member" xlink:to="label_C000008011Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000008011Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Admiral Shares</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000008011Member" xlink:to="label_C000008011Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211922Member" xlink:label="C000211922Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000211922Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000211922 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000211922Member" xlink:to="label_C000211922Member"/>
					<link:loc xlink:type="locator" xlink:href="#vsf_C000211921Member" xlink:label="C000211921Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000211921Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000211921 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000211921Member" xlink:to="label_C000211921Member"/>
					<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="DataCenterREITsMember" id="vsf_DataCenterREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="HealthCareREITsMember" id="vsf_HealthCareREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="IndustrialREITsMember" id="vsf_IndustrialREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="MultiFamilyResidentialREITsMember" id="vsf_MultiFamilyResidentialREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="OtherSpecializedREITsMember" id="vsf_OtherSpecializedREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="RealEstateServicesMember" id="vsf_RealEstateServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="RetailREITsMember" id="vsf_RetailREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="SelfStorageREITsMember" id="vsf_SelfStorageREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="TelecomTowerREITsMember" id="vsf_TelecomTowerREITsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="OtherAssetsAndLiabilitiesNetMember" id="vsf_OtherAssetsAndLiabilitiesNetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="VanguardRealEstateIIIndexFundMember" id="vsf_VanguardRealEstateIIIndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="OceaniaMember" id="vsf_OceaniaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000008009Member" id="vsf_C000008009Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000032424Member" id="vsf_C000032424Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000008010Member" id="vsf_C000008010Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000008012Member" id="vsf_C000008012Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000008011Member" id="vsf_C000008011Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000211922Member" id="vsf_C000211922Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000211921Member" id="vsf_C000211921Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
</schema>
