- High School Puente Program
- Higher Order Thinking Skills (HOTS)
- Holt Mathematics
- Holt Middle School Math (textbook)
- Home Language Environment
- Hooked on Phonics ®
- Houghton Mifflin Mathematics
- Houghton Mifflin Reading©
- Huntington Phonics
- I CAN Learn®
- I CAN Learn® Algebra
- I CAN Learn® Geometry
- I Care Parental Involvement Character Curriculum
- Instructional Conversations and Literature Logs
- Integrated Mathematics, Science, and Technology (IMaST)
- IntelliTools Reading
- Investigations in Number, Data, and Space®
- Invitations to Literacy
- Jigsaw Classroom
- Johnny Can Spell
- Jostens Integrated Language Arts Basic Learning System
- Jostens Integrated Learning System
- Key Math Teach and Practice
- Kindergarten Intervention Program (KIP)
- Kindergarten Works
- Knowing Mathematics
- Knowledge is Power Program (KIPP)
- Kumon Mathematics Program
- Ladders to Literacy
- LANGUAGE!®
- Larson Developmental Math Series
- Leap into Phonics
- LeapFrog Schoolhouse
- Learning for Life
- Lessons in Character
- Let's Begin with the Letter People®
- Let's Know!2
- Letter People
- Letterland
- Leveled Literacy Intervention
- Lexia Reading
- Lightspan Achieve Now
- Lindamood Phoneme Sequencing® (LiPS®)
- LinguiSystems
- Lions Quest: Skills for Action
- Lions Quest: Skills for Adolescence
- Lions Quest: Skills for Growing
- Literacy Collaborative
- Literacy Express
- Literacy First
