Exhibit 21
SUBSIDIARIES OF JOHN WILEY & SONS, INC. (1)
As of April 30, 2025
Jurisdiction of Formation
Atypon Systems, LLC
Delaware
Inscape Publishing, LLC
Delaware
John Wiley & Sons Canada, Limited
Canada
Madgex Inc.Delaware
Wiley Periodicals LLCDelaware
Personality Profile Solutions, LLC
Delaware
PIIEU LtdUnited Kingdom
Wiley Heyden Ltd
United Kingdom
Zyante Inc.Delaware
Wiley Publishing LLCDelaware
Wiley India Private Ltd
India
Wiley APAC Services LLPIndia
WWL LLCDelaware
Wiley Global Technology (Private) Ltd
Sri Lanka
Wiley International LLCDelaware
John Wiley & Sons (HK) LimitedHong Kong
 Wiley HK2 LimitedHong Kong
Wiley Europe Investment Holdings, Ltd.United Kingdom
Wiley Europe Ltd
United Kingdom
                         Wiley Heyden Ltd
United Kingdom
 John Wiley & Sons Ltd
United Kingdom
J Wiley Ltd
United Kingdom
Atypon Systems Ltd
United Kingdom
John Wiley & Sons Singapore Pte. Ltd.
Singapore
John Wiley & Sons Commercial Service (Beijing) Co Ltd
China
Wiley Information & Technology (Shanghai) Co LtdChina
Madgex Holdings LtdUnited Kingdom
Hindawi Ltd
United Kingdom
Blackwell Science (Overseas Holdings) Ltd
United Kingdom
                                    John Wiley & Sons AS
Denmark
                                    Wiley-VCH GmbH
Germany
Ernst & Sohn GmbHGermany
                                           Wiley-VHCA AG Switzerland
Wiley Publishing Japan KKJapan
 Wiley Publishing Australia Pty Ltd.Australia
John Wiley and Sons Australia, Ltd.Australia
(1) The names of other subsidiaries that would not constitute a significant subsidiary in the aggregate have been omitted.