| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Liberty Elementary School District | Petaluma | 10/10 Excellent · 97th pct | 217 | 3 | K–12 | 0 |
| Waugh Elementary School District | Petaluma | 10/10 Excellent · 93rd pct | 775 | 2 | K–6 | 0 |
| West Side Union Elementary School District | Healdsburg | 10/10 Excellent · 93rd pct | 137 | 1 | K–6 | 0 |
| Alexander Valley Union School District | Healdsburg | 10/10 Excellent · 91st pct | 112 | 1 | K–6 | 0 |
| Wilmar Union Elementary School District | Petaluma | 10/10 Excellent · 90th pct | 219 | 1 | K–6 | 0 |
| Gravenstein Union Elementary School District | Sebastopol | 9/10 Excellent · 88th pct | 768 | 4 | K–8 | 0 |
| Kenwood Elementary School District | Kenwood | 9/10 Excellent · 86th pct | 113 | 1 | K–6 | 0 |
| Bennett Valley Union Elementary School District | Santa Rosa | 9/10 Excellent · 84th pct | 951 | 2 | K–6 | 0 |
| Dunham Elementary School District | Petaluma | 9/10 Excellent · 83rd pct | 147 | 2 | K–6 | 0 |
| Twin Hills Union Elementary School District | Sebastopol | 9/10 Excellent · 80th pct | 959 | 4 | K–12 | 0 |
| Oak Grove Union Elementary School District | Santa Rosa | 8/10 Good · 78th pct | 823 | 2 | K–12 | 0 |
| Harmony Union School District | Occidental | 8/10 Good · 73rd pct | 195 | 2 | K–12 | 0 |
| Mark West Union Elementary School District | Santa Rosa | 8/10 Good · 73rd pct | 1,305 | 4 | K–8 | 0 |
| Monte Rio Union Elementary School District | Monte Rio | 8/10 Good · 72nd pct | 59 | 1 | K–8 | 0 |
| Rincon Valley Union Elementary School District | Santa Rosa | 8/10 Good · 72nd pct | 3,072 | 9 | K–8 | 0 |
| Sebastopol Union Elementary School District | Sebastopol | 8/10 Good · 71st pct | 428 | 2 | K–8 | 0 |
| Petaluma Joint Union High School District | Penngrove | 8/10 Good · 70th pct | 4,926 | 10 | K–12 | 3 |
| Petaluma City Elementary School District | Petaluma | 7/10 Good · 67th pct | 2,158 | 8 | K–12 | 0 |
| Healdsburg Unified School District | Healdsburg | 7/10 Good · 65th pct | 1,240 | 4 | K–12 | 1 |
| Old Adobe Union Elementary School District | Petaluma | 7/10 Good · 65th pct | 1,836 | 5 | K–6 | 0 |
| Two Rock Union Elementary School District | Petaluma | 7/10 Good · 63rd pct | 133 | 1 | K–6 | 0 |
| West Sonoma County Union High School District | Camp Meeker | 7/10 Good · 61st pct | 1,588 | 3 | K–12 | 12 |
| Wright Elementary School District | Santa Rosa | 6/10 Average · 52nd pct | 1,279 | 3 | K–6 | 0 |
| Fort Ross Elementary School District | Cazadero | 6/10 Average · 50th pct | 14 | 1 | K–8 | 0 |
| Geyserville Unified School District | Geyserville | 5/10 Average · 47th pct | 211 | 3 | K–12 | 1 |
| Windsor Unified School District | Windsor | 5/10 Average · 46th pct | 4,634 | 8 | K–12 | 1 |
| Cotati-Rohnert Park Unified School District | Rohnert Park | 5/10 Average · 41st pct | 6,010 | 13 | K–12 | 2 |
| Santa Rosa High School District | Santa Rosa | 5/10 Average · 41st pct | 10,179 | 12 | 5–12 | 8 |
| Shoreline Unified School District | Bodega | 5/10 Average · 40th pct | 470 | 5 | K–12 | 3 |
| Forestville Union Elementary School District | Forestville | 4/10 Below Average · 35th pct | 224 | 2 | K–8 | 0 |
| Guerneville Elementary School District | Guerneville | 4/10 Below Average · 34th pct | 232 | 2 | K–12 | 0 |
| Roseland School District | Santa Rosa | 4/10 Below Average · 34th pct | 1,473 | 3 | K–12 | 0 |
| Sonoma Valley Unified School District | Eldridge | 4/10 Below Average · 33rd pct | 3,195 | 9 | K–12 | 3 |
| Piner-Olivet Union Elementary School District | Santa Rosa | 4/10 Below Average · 32nd pct | 282 | 1 | K–12 | 0 |
| Santa Rosa Elementary School District | Santa Rosa | 3/10 Below Average · 28th pct | 4,753 | 13 | K–8 | 0 |
| Cloverdale Unified School District | Cloverdale | 3/10 Below Average · 23rd pct | 1,318 | 6 | K–12 | 1 |
| Bellevue Union School District | Santa Rosa | 3/10 Below Average · 22nd pct | 1,586 | 4 | K–6 | 0 |
| Horicon Elementary School District | Annapolis | 2/10 Poor · 17th pct | 56 | 1 | K–8 | 2 |
| Cinnabar Elementary School District | Petaluma | 2/10 Poor · 13th pct | 207 | 2 | K–6 | 0 |
| Point Arena Joint Union High School District | Stewarts Point | 1/10 Poor · 9th pct | 130 | 2 | 9–12 | 1 |
How Sonoma County compares
Together they enroll 58,414 students across 162 schools. The largest is Santa Rosa High School District with 10,179 students. Districts here average 6.4/10, above the California average of 5.7/10. Ratings range from 1/10 to 10/10.
School Districts in Sonoma County, California
Sonoma County has 40 public school districts covering 38 zip codes. The top-rated district in Sonoma County is Liberty Elementary School District (10/10). 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 Sonoma County, CA?
40 school districts serve zip codes in Sonoma County, CA. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Sonoma County, CA?
Of the districts serving Sonoma County, Liberty Elementary School District has the highest rating on this site at 10/10. That places it in the 97th 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.