| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Sierra-Plumas Joint Unified School District | Alleghany | 5/10 Average · 40th pct | 400 | 5 | K–12 | 7 |
How Sierra County compares
It enrolls 400 students across 5 schools. Its rating of 5/10 is below the California average of 5.7/10.
School Districts in Sierra County, California
Sierra County has 1 public school district covering 7 zip codes. The top-rated district in Sierra County is Sierra-Plumas Joint Unified School District (5/10). Ratings are based on the share of students proficient in reading and math on state assessments (CAASPP 2023–24), ranked against all districts in California. 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.
Frequently Asked Questions
How many school districts are in Sierra County, CA?
1 school district serves zip codes in Sierra County, CA. The table above shows its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Sierra County, CA?
Of the districts serving Sierra County, Sierra-Plumas Joint Unified School District has the highest rating on this site at 5/10. That places it in the 40th percentile among California school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on California reading and math assessments, ranked against other districts in California and converted to a 1–10 scale. Percentiles compare districts within California only, never across state lines.