Districts in Jefferson County1 district, sorted by rating
| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Jefferson County School District R-1 | Arvada | 9/10 Excellent · 85th pct | 75,327 | 162 | PK–12 | 26 |
Zip Codes in Jefferson County
How Jefferson County compares
It enrolls 75,327 students across 162 schools. Its rating of 9/10 is above the Colorado average of 5.5/10.
School Districts in Jefferson County, Colorado
Jefferson County has 1 public school district covering 26 zip codes. The top-rated district in Jefferson County is Jefferson County School District R-1 (9/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in Colorado. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.