| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| San Dieguito Union High School District | Cardiff By The Sea | 10/10 Excellent · 95th pct | 12,615 | 10 | 7–12 | 7 |
| Coronado Unified School District | Coronado | 10/10 Excellent · 93rd pct | 2,799 | 5 | K–12 | 3 |
| Encinitas Union Elementary School District | Carlsbad | 10/10 Excellent · 93rd pct | 4,648 | 9 | K–6 | 1 |
| Poway Unified School District | Poway | 10/10 Excellent · 93rd pct | 34,900 | 39 | K–12 | 5 |
| Carlsbad Unified School District | Carlsbad | 10/10 Excellent · 92nd pct | 10,981 | 16 | K–12 | 3 |
| San Marcos Unified School District | San Marcos | 8/10 Good · 77th pct | 19,532 | 19 | K–12 | 3 |
| Chula Vista Elementary School District | Bonita | 8/10 Good · 76th pct | 22,226 | 43 | K–12 | 4 |
| San Diego City Unified School District | La Jolla | 8/10 Good · 75th pct | 93,893 | 175 | K–12 | 35 |
| Fallbrook Union Elementary School District | Camp Pendleton | 8/10 Good · 72nd pct | 4,979 | 11 | K–8 | 2 |
| Bonsall Unified School District | Bonsall | 8/10 Good · 70th pct | 2,163 | 5 | K–12 | 1 |
| Julian Union High School District | Descanso | 7/10 Good · 69th pct | 100 | 1 | 9–12 | 3 |
| Grossmont Union High School District | Alpine | 6/10 Average · 56th pct | 16,738 | 15 | K–12 | 13 |
| Sweetwater Union High School District | Chula Vista | 6/10 Average · 55th pct | 36,109 | 29 | K–12 | 5 |
| Vista Unified School District | Oceanside | 6/10 Average · 53rd pct | 18,818 | 28 | K–12 | 4 |
| Escondido Union High School District | Escondido | 6/10 Average · 51st pct | 6,881 | 5 | 6–12 | 4 |
| Fallbrook Union High School District | Fallbrook | 5/10 Average · 48th pct | 2,096 | 3 | 9–12 | 1 |
| Oceanside Unified School District | Oceanside | 5/10 Average · 46th pct | 15,855 | 24 | K–12 | 3 |
| San Ysidro Elementary School District | San Diego | 4/10 Below Average · 38th pct | 4,260 | 7 | K–8 | 1 |
| South Bay Union School District | Imperial Beach | 3/10 Below Average · 28th pct | 5,859 | 13 | K–8 | 1 |
| Warner Unified School District | Ranchita | 3/10 Below Average · 20th pct | 204 | 3 | K–12 | 2 |
| Valley Center-Pauma Unified School District | Pala | 2/10 Poor · 19th pct | 3,801 | 8 | K–12 | 4 |
| Mountain Empire Unified School District | Boulevard | 2/10 Poor · 14th pct | 1,824 | 11 | K–12 | 8 |
| Borrego Springs Unified School District | Borrego Springs | 2/10 Poor · 12th pct | 358 | 3 | K–12 | 1 |
How San Diego County compares
Together they enroll 321,639 students across 482 schools. The largest is San Diego City Unified School District with 93,893 students. Districts here average 6.4/10, above the California average of 5.5/10. Ratings range from 2/10 to 10/10.
School Districts in San Diego County, California
San Diego County has 23 public school districts covering 114 zip codes. The top-rated district in San Diego County is San Dieguito Union High 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.