| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Boulder Valley School District RE-2 | Broomfield | 10/10 Excellent · 96th pct | 28,485 | 56 | PK–12 | 15 |
| St. Vrain Valley School District RE 1J | Longmont | 9/10 Excellent · 86th pct | 31,894 | 54 | PK–12 | 10 |
How Boulder County compares
Together they enroll 60,379 students across 110 schools. The largest is St. Vrain Valley School District RE 1J with 31,894 students. Districts here average 9.5/10, above the Colorado average of 5.5/10. Ratings range from 9/10 to 10/10.
School Districts in Boulder County, Colorado
Boulder County has 2 public school districts covering 25 zip codes. The top-rated district in Boulder County is Boulder Valley School District RE-2 (10/10). 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.