- Specialized Program Individualizing Reading Excellence (SPIRE)
- Spelling Mastery
- SpellRead
- Starfall
- Start Making a Reader Today® (SMART®)
- Stepping Stones to Literacy
- Stories and More
- Story Champs
- Story Comprehension to Go
- Strategic Math Series
- Strategies that Work
- Student team reading and writing
- Student Teams Achievement Divisions (STAD)
- Success for All®
- Success Through Accepting Responsibility (STAR)
- SuccessMaker®
- Sullivan Program
- System of Least Prompts
- Talent Development Middle Grades Program
- Teach for America (TFA)
- Teacher to Teacher Math Problem Solving Supplementary Curriculum
- Teachers Involve Parents in Schoolwork (TIPS): Math
- The Creative Curriculum® for Preschool, Fourth Edition
- The Expert Mathematician
- The Incredible Years
- The Spalding Method®
- The TAP System for Teacher and Student Advancement
- Thinking Mathematics
- TNTP Teaching Fellows
- Too Good for Drugs (TGFD)
- Too Good for Drugs and Violence (TGFD & V)
- Too Good For Violence (TGFV)
- Tools for Getting Along
- Tools of the Mind
- TouchMath®
- Transition Mathematics
- Tribes Learning Communities®
- Tribes TLC®
- Unitedstreaming™
- University of Chicago School Mathematics Project (UCSMP) Advanced Algebra
- University of Chicago School Mathematics Project (UCSMP) Algebra
- University of Chicago School Mathematics Project (UCSMP) Functions, Statistics, and Trigonometry
- University of Chicago School Mathematics Project (UCSMP) Geometry
- University of Chicago School Mathematics Project (UCSMP) Multiple Courses
- University of Chicago School Mathematics Project (UCSMP) Precalculus and Discrete Mathematics
- Vanderbilt Grade 2 Pirate Math Intervention
- Vanderbilt Grade 2 Pirate Math Intervention and Pirate Math Grade 2 Reading Intervention
- Visual Mathematics by The Math Learning Center
- Vmath®
- Vocabulary Improvement Program for English Language Learners and Their Classmates (VIP)