# houghton-mifflin-harcourt-hmh > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 12, 2026. > HMH provides K–12 instructional programs and platforms, offering core curriculum (literacy, math), assessment tools, and professional learning support. They focus on streamlining the teaching and learning experience, reaching students at every level with intensive intervention and supplemental programs, and partnering with districts for measurable student growth. - Business Profile: https://optimly.ai/brand/houghton-mifflin-harcourt-hmh - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://hmhco.com/ - Logo: https://logo.clearbit.com/hmhco.com - Slug: houghton-mifflin-harcourt-hmh - Brand Authority Index tier: Emerging - Category: K-12 Online Learning Resource Platforms - Last Analyzed: September 12, 2026