CK-12
Overview
- Overview
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CK-12 is a free digital learning platform centered on FlexBooks and standards-aligned resources. It is designed primarily for primarily middle- and high-school learners, with content extending into elementary and college-preparatory subjects, with students, teachers, curriculum writers, and families using it to support open textbooks, simulations, practice, adaptive learning, and customizable stem resources.
Teachers can adopt, remix, and assign digital texts, interactives, questions, simulations, and practice while students use them for instruction, reference, or review. The product should be evaluated for the specific learners, instructional setting, and intensity of support a district intends—not simply as another source of digital activities.
Features
- Features
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Audience and instructional role
- Grades / learners: primarily middle- and high-school learners, with content extending into elementary and college-preparatory subjects
- Primary users: students, teachers, curriculum writers, and families
- Learning focus: open textbooks, simulations, practice, adaptive learning, and customizable STEM resources — a free digital learning platform centered on FlexBooks and standards-aligned resources
How it supports learning- Teachers can adopt, remix, and assign digital texts, interactives, questions, simulations, and practice while students use them for instruction, reference, or review.
- Teachers should use the product within a defined instructional model rather than treat activity completion as evidence of learning.
Implementation and instructional decisions- Open and customizable content shifts alignment, accessibility, quality review, updates, and local course coherence to district educators.
- Districts should confirm accessibility, language support, student-data practices, assignment workflow, reporting, and the role of teacher judgment.
Student Data Privacy
- Student Data Privacy
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Review the Common Sense Privacy Rating:
N/A
CK-12 Privacy Policy:
https://www.ck12info.org/privacy-policy/
Signed California Student Data Privacy Agreement?
No
Company News
- Company News
Interoperability
Sign-on, rostering and file methods
Learning management systems
Note: Standards this product subscribes to or claims to use. Select a connector to see every product that supports it.
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