Colorado P-12 Academic Standards
Colorado Academic Standards Reference System
To assist districts in aligning curriculum with standards, CDE has established a system to identify each element of the Colorado Academic Standards. The links below will provide you with a color coded explanation of the system as well as a black and white version.

Color coded reference system Black and white reference system
Connecting the Colorado Academic Standards reference codes to Common Core State Standards codes
Links below will open Excel spreadsheets which connect each CCSS expectation to its corresponding CAS expectation. This information will be particularly useful as materials are released by the CCSS Initiative and textbook publishers who may align their work to the CCSS.
CCSS and CAS reference codes in Mathematics
CCSS and CAS reference codes in Reading, Writing and Communicating
For Standards Web site technical assistance, please e-mail Anna Huffman at Huffman_a@cde.state.co.us
