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