📊 Data: NCES CCD 2024–2025·🔄 Updated: September 2026·Editorial standards
🏆 Rankings · State Test Data (CMAS 2025)

Best School Districts
in Adams County, CO

Adams County has 7 rated public school districts. Ratings are percentile-ranked against every rated district in Colorado, not just this county.

📊 What this ranking measures
Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (CMAS 2025), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 7 Rated Districts in Adams County, CO Sorted by rating, then state percentile
County RankDistrictDistrict OfficeRatingState Percentile
#1Adams 12 Five Star SchoolsThornton7/10  Good67th
#2Strasburg School District 31JStrasburg6/10  Average51st
#3School District 27JBrighton4/10  Below Average39th
#4Bennett School District 29-JBennett3/10  Below Average22nd
#5Mapleton School District 1Denver2/10  Poor15th
#6Westminster Public School DistrictWestminster2/10  Poor11th
#7Adams County School District 14Commerce City1/10  Poor2nd

Best School Districts in Adams County, Colorado (2026)

This page lists the 7 public school districts headquartered in Adams County, Colorado that have a SchoolDistrictFinder rating, scored using CMAS 2025 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in Colorado, which is how the 1–10 rating is set. Ratings are not comparable with districts in other states.

Districts are placed in the county of their NCES directory listing. A district's boundaries can cross county lines, and a home in Adams County may be served by a district headquartered next door — search your address or zip code to confirm.

Frequently Asked Questions
What is the best-rated school district in Adams County, Colorado?
Among the 7 rated districts in Adams County, Colorado, the highest-rated is Adams 12 Five Star Schools (Thornton), rated 7/10 (Good) and in the 67th percentile of Colorado districts on CMAS 2025 reading and math proficiency.
How are these rankings calculated?
Each district's rating comes from the share of its students scoring proficient or above on state reading and math assessments (CMAS 2025), percentile-ranked against all rated districts in Colorado and converted to a 1–10 scale. Full methodology here.