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California Common Core State Standards

Every California math and English language arts standard, grade by grade, explained in plain English, with links to the official documents and the Common Core pages that line up.

What California uses

California State Standards

Every California standard is explained here in plain English. Where California uses the Common Core wording, it is shown too; California's own additions are explained in our words.

California Mathematics Standards by Grade

California English Language Arts Standards by Grade

The official California documents

The Common Core pages that line up

Where a state’s standard matches a Common Core standard word for word, the Common Core page is the fastest way to read it explained, with an example and practice.

Free practice

Worksheet generators and printables that fit the same skills, free to use.

Open the Free Tools

Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Official wording from the Common Core State Standards PDFs at corestandards.org, last checked October 14, 2026.