The CK-12 Foundation was founded to enable everyone to learn in their way. We pair high-quality content with the latest technologies. We equip students, teachers, and parents with everything they need—for free.
Special Education:
Subjects: Math (Interactive and Conventional), Science, English, Social Studies, Astronomy, Engineering, Health, Photography, and Technology
Resources: Digital tutor, textbooks, study guides, adaptive practice, and stimulations
Grades: Pre-K through 12th
Memberships: Free | International Studies
