The Core Knowledge Foundation provides open access to content-rich curriculum materials for preschool through grade 8, including the Core Knowledge Curriculum Series™, with many materials now available and many more in development.
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The materials made available for download are freely available for anyone to use, adapt, and share (with attribution), but no one is permitted to sell either the original program, an adaptation of it, or lesson plans that reproduce any part of it. For more information, see the Guidelines to Core Knowledge and the Creative Commons License.
Core Knowledge Language Arts
Core Knowledge History and Geography
Core Knowledge Science
- CKHG Unit 3: The Culture of Japan Grade 2 History and Geography
- CKHG Unit 5: Geography of the Americas Grade 2 History and Geography
- CKSci Unit 2: Life Cycles, Traits, and Variations Grade 3 Science
- CKSci Unit 3: Habitats and Change Grade 3 Science
- CKSci Unit 4: Weather and Climate Grade 3 Science
- CKHG Unit 6: Making the Constitution Grade 2 History and Geography
- CKHG Unit 7: The War of 1812 Grade 2 History and Geography
- CKHG Unit 8: Americans Move West Grade 2 History and Geography
- CKHG Unit 9: The Civil War Grade 2 History and Geography
- CKHG Unit 10: Immigration and Citizenship Grade 2 History and Geography Spanish
- CKHG Unit 11: Civil Rights Leaders Grade 2 History and Geography Spanish
- CKSci Unit 1: Properties of Matter Grade 2 Science
- CKSci Unit 2: Organisms and Their Habitats Grade 2 Science
- CKSci Unit 3: Exploring Land and Water Grade 2 Science