CK-12 FlexBook 2.0 pricing

2 plans on the record · a free plan

Every plan

Free

No charge

Free access for students, teachers, schools and districts · online FlexBooks, interactive lessons, practice and teacher tools

Read 15 Oct 2026 · info.ck12.org

Free

Free online customizable digital textbook; content varies by subject and book

Read 7 Oct 2026 · help.ck12.org