UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

NOTICE OF EFFECTIVENESS

Effective Date:April 14, 2022
Accession Number:0001193125-22-102508
Submission Type:POS AM
CIK:0001580156
Company Name:Houghton Mifflin Harcourt Co
File Number:333-250147
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