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Exhibit 21.1

Subsidiaries of the Registrant

Subsidiary Name

Jurisdiction of Incorporation

Covista Inc.

Delaware

Subsidiaries:

Covista Global Health, Inc.

New York

Ross University Services, Inc.1

Delaware

International Education Holdings, Inc.2,3

Delaware

Chamberlain College of Nursing and Health Sciences, LLC

Delaware

Chamberlain University LLC4

Delaware

Integrated Education Solutions LLC

Delaware

Covista Canada LLC

Delaware

Walden e-Learning, LLC

Delaware

Walden University, LLC5

Florida

International Education Holdings, Inc.

Subsidiaries:

Global Education International, Inc.

Barbados

Ross University Management, Inc.6

St. Lucia

Ross University School of Medicine School of Veterinary Medicine (St. Kitts) Limited7

St. Kitts

AUC School of Medicine B.V.7

St. Maarten

RUSM (Barbados) Inc.7

Barbados

*Subsidiary listing as of June 30, 2026


1

Subsidiary of Covista Global Health, Inc.

2

1% owned by Covista Inc. and 99% owned by Ross University Services, Inc.

3

Subsidiaries of International Education Holdings, Inc. are listed below.

4

Subsidiary of Chamberlain College of Nursing and Health Sciences, LLC

5

Subsidiary of Walden e-Learning, LLC

6

Subsidiary of Global Education International, Inc., a Barbados company

7

Subsidiary of Ross University Management, Inc. a St. Lucia company