Colorado

CMAS: Practice Tests and Test Dates

The official practice resources and 2026-27 testing dates for the Colorado Measures of Academic Success, from the Colorado Department of Education and its testing vendor.

Email me the CMAS practice links

The official practice resources and this year's testing dates in one place.

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Official CMAS practice tests and released tests

Free, from the state or its testing vendor. Each link opens the official site.

CMAS test dates, 2026-27

CMAS (math, ELA, science, social studies)April 5–April 23, 2027Marked tentative by the state

What to know

The 2027 testing window is marked tentative by the state.

Other state tests

Frequently asked questions

Where can I find CMAS practice tests?

The Colorado Department of Education and its testing vendor publish them free. The main ones are: CMAS Practice Resources; Family and Student Resources; CDE CMAS program page; Grade 3 Math CPR Scoring Guide. Links to each are on this page.

When is the CMAS in 2027?

CMAS (math, ELA, science, social studies): April 5–April 23, 2027 (tentative). Schools pick their own days inside each window.

Source: Colorado Department of Education (coassessments.com), read October 6, 2026. The CMAS is run by the Colorado Department of Education, which is not affiliated with Dewey Smart.