| Index | La Mesa | California | National |
| Average Test Scores | 51% | 43% | 48% |
| Student/Teacher ratio | 22:1 | 20:1 | 16:1 |
| Total public schools | 27 | 8,308 | 79,221 |
| Total private schools | 7 | 3,438 | 24,874 |
| Total post-secondary schools | 3 | 1,085 | 7,963 |
| Index | La Mesa | California | National |
| Completed 8th grade | 89.7% | 81.1% | 84.3% |
| Completed high school | 89.2% | 79.8% | 83.0% |
| Completed some college | 71.9% | 61.5% | 59.4% |
| Completed associate degree | 43.9% | 39.8% | 38.5% |
| Completed bachelors | 35.4% | 32.0% | 30.3% |
| Completed masters | 12.0% | 11.9% | 11.5% |
| Completed professional degree | 2.7% | 3.9% | 3.3% |
| Completed doctorate | 1.1% | 1.6% | 1.3% |
There are a total of 27 public schools, 7 private schools and 3 post-secondary schools in La Mesa. Using the proficiency score averages, the average test scores for La Mesa, CA schools is 51%. The average student to teacher ratio is 22:1. In La Mesa, CA, an average of 89.7% of students have completed 8th grade and an average of 89.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Del Mar, CA | 4,331 | 86% | 79.2% |
| Coronado, CA | 24,526 | 73% | 51.6% |
| Bonita, CA | 12,470 | 55% | 14.9% |
| Santee, CA | 57,407 | 53% | 9.6% |
| San Diego, CA | 1,414,545 | 51% | 6.9% |
| La Mesa, CA | 60,208 | 51% | 5.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Sanford, FL | 60,337 | 58% | 19.9% |
| Bristol, CT | 60,039 | 46% | 3.5% |
| Ocala, FL | 60,021 | 45% | 5.8% |
| Utica, NY | 59,984 | 42% | 12.5% |
| Novi, MI | 60,439 | 67% | 38.9% |
| La Mesa, CA | 60,208 | 51% | 5.3% |
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