Districts in Napa County5 districts, sorted by rating
| District | City | Rating | Zip Codes |
|---|---|---|---|
| St. Helena Unified School District | St. Helena | 8/10 Good · 77th pct | 4 |
| Calistoga Joint Unified School District | Calistoga | 6/10 Average · 52nd pct | 1 |
| Napa Valley Unified School District | Napa Valley | 5/10 Average · 46th pct | 4 |
| Howell Mountain Elementary School District | Howell Mountain | 5/10 Average · 40th pct | 1 |
| Pope Valley Union Elementary School District | Pope Valley Union | 2/10 Poor · 13th pct | 1 |
School Districts in Napa County, California
Napa County has 5 public school districts covering 11 zip codes. The top-rated district in Napa County is St. Helena Unified School District (8/10). Ratings are based on the share of students proficient in reading and math on state assessments (California CAASPP 2023–24 for most districts), 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.