| Index | Sonora | California | National |
| Average Test Scores | 39% | 43% | 48% |
| Student/Teacher ratio | 13:1 | 20:1 | 16:1 |
| Total public schools | 18 | 8,308 | 79,221 |
| Total private schools | 1 | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |
| Index | Sonora | California | National |
| Completed 8th grade | 81.3% | 81.1% | 84.3% |
| Completed high school | 79.8% | 79.8% | 83.0% |
| Completed some college | 58.5% | 61.5% | 59.4% |
| Completed associate degree | 30.7% | 39.8% | 38.5% |
| Completed bachelors | 21.1% | 32.0% | 30.3% |
| Completed masters | 9.0% | 11.9% | 11.5% |
| Completed professional degree | 2.2% | 3.9% | 3.3% |
| Completed doctorate | 0.4% | 1.6% | 1.3% |
There are a total of 18 public schools, 1 private schools and 1 post-secondary schools in Sonora. Using the proficiency score averages, the average test scores for Sonora, CA schools is 39%. The average student to teacher ratio is 13:1. In Sonora, CA, an average of 81.3% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chinese Camp, CA | 150 | 60% | 25.0% |
| Murphys, CA | 1,996 | 57% | 18.8% |
| Avery, CA | 461 | 52% | 8.3% |
| Angels, CA | 3,970 | 49% | 1.8% |
| Twain Harte, CA | 2,593 | 47% | 2.1% |
| Sonora, CA | 4,984 | 39% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Springhill, LA | 4,984 | 60% | 24.0% |
| Folkston, GA | 4,984 | 42% | 12.2% |
| Whiting, IN | 4,986 | 35% | 27.5% |
| Ipswich, MA | 4,988 | 66% | 37.5% |
| Benson, AZ | 4,989 | 55% | 13.5% |
| Sonora, CA | 4,984 | 39% | 18.8% |
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