| Index | Lemon Grove | California | National |
| Average Test Scores | 38% | 43% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 8 | 8,308 | 79,221 |
| Total private schools | 3 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Lemon Grove | California | National |
| Completed 8th grade | 78.9% | 81.1% | 84.3% |
| Completed high school | 77.0% | 79.8% | 83.0% |
| Completed some college | 53.2% | 61.5% | 59.4% |
| Completed associate degree | 24.4% | 39.8% | 38.5% |
| Completed bachelors | 16.3% | 32.0% | 30.3% |
| Completed masters | 5.0% | 11.9% | 11.5% |
| Completed professional degree | 1.7% | 3.9% | 3.3% |
| Completed doctorate | 0.6% | 1.6% | 1.3% |
There are a total of 8 public schools, 3 private schools and n/a post-secondary schools in Lemon Grove. Using the proficiency score averages, the average test scores for Lemon Grove, CA schools is 38%. The average student to teacher ratio is 21:1. In Lemon Grove, CA, an average of 78.9% of students have completed 8th grade and an average of 77.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| 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% |
| Chula Vista, CA | 268,779 | 51% | 5.8% |
| Lemon Grove, CA | 26,739 | 38% | 21.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Maple Valley, WA | 26,739 | 74% | 54.2% |
| Sanger, CA | 26,744 | 42% | 12.6% |
| Twentynine Palms, CA | 26,748 | 37% | 23.8% |
| Xenia, OH | 26,751 | 61% | 27.7% |
| Chaska, MN | 26,753 | 55% | 15.0% |
| Lemon Grove, CA | 26,739 | 38% | 21.9% |
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