Exhibit 21
| SUBSIDIARIES OF JOHN WILEY & SONS, INC. (1) | |||||
| As of April 30, 2024 | |||||
| Jurisdiction In Which Incorporated | |||||
| Wiley Periodicals LLC | Delaware | ||||
| Inscape Publishing LLC | Delaware | ||||
| Atypon Systems LLC | Delaware | ||||
| Madgex Inc. | Delaware | ||||
| PIIEU Ltd | United Kingdom | ||||
| Zyante Inc. | Delaware | ||||
| John Wiley & Sons Canada Ltd | Canada | ||||
| Consultants M Trois Inc | Canada | ||||
| Wiley Publishing LLC | Delaware | ||||
| Wiley India Private Ltd. | India | ||||
| Wiley APAC Services LLP | India | ||||
| WWL LLC | Delaware | ||||
| Wiley Global Technology (Private) Limited | Sri Lanka | ||||
| Wiley International LLC | Delaware | ||||
| John Wiley & Sons (HK) Limited | Hong Kong | ||||
| Wiley HK2 Limited | Hong Kong | ||||
| Wiley Europe Investment Holdings, Ltd. | United Kingdom | ||||
| Wiley Europe Ltd. | United Kingdom | ||||
| Wiley Heyden Ltd. | United Kingdom | ||||
| John Wiley & Sons, Ltd. | United Kingdom | ||||
| E-Learning SAS | France | ||||
| Southampton Bidco Ltd | United Kingdom | ||||
| mThree Corporate Consulting Limited | Delaware | ||||
| mThree Corporate Consulting Limited | United Kingdom | ||||
| Atypon Systems Ltd | United Kingdom | ||||
| John Wiley & Sons Singapore Pte. Ltd. | Singapore | ||||
| John Wiley & Sons Commercial Service (Beijing) Co., Ltd. | China | ||||
| Madgex Holdings Ltd | United Kingdom | ||||
| Hindawi Limited | United Kingdom | ||||
| Blackwell Science (Overseas Holdings) | United Kingdom | ||||
| Wiley-VCH GmbH | Germany | ||||
| Atypon GmbH | Germany | ||||
| Ernst & Sohn GmbH | Germany | ||||
| Wiley-VHCA AG | Switzerland | ||||
| John Wiley & Sons A/S | Denmark | ||||
| Wiley Publishing Japan KK | Japan | ||||
| Wiley Publishing Australia Pty Ltd. | Australia | ||||
| John Wiley and Sons Australia, Ltd. | Australia | ||||
| J Wiley Ltd. | United Kingdom | ||||
| CrossKnowledge Group Limited | United Kingdom | ||||
| (1) | The names of other subsidiaries that would not constitute a significant subsidiary in the aggregate have been omitted. | ||||