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Houghton Mifflin Harcourt

Vendor: Houghton Mifflin Harcourt

Validated Signatures: 5

Valid Scrub Files: 8

Last Updated: Thursday, November 5, 2026 at 07:31:29 AM

Supported Assessment Templates

The following are supported assessment templates with validated scrub files (100% column match). These scrub files have been validated against their signatures and are ready for use.