| Index | Del Mar | California | National |
| Average Test Scores | 86% | 43% | 48% |
| Student/Teacher ratio | 17:1 | 20:1 | 16:1 |
| Total public schools | 2 | 8,308 | 79,221 |
| Total private schools | 3 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Del Mar | California | National |
| Completed 8th grade | 98.8% | 81.1% | 84.3% |
| Completed high school | 98.8% | 79.8% | 83.0% |
| Completed some college | 95.9% | 61.5% | 59.4% |
| Completed associate degree | 86.1% | 39.8% | 38.5% |
| Completed bachelors | 75.4% | 32.0% | 30.3% |
| Completed masters | 37.0% | 11.9% | 11.5% |
| Completed professional degree | 16.5% | 3.9% | 3.3% |
| Completed doctorate | 8.1% | 1.6% | 1.3% |
There are a total of 2 public schools, 3 private schools and n/a post-secondary schools in Del Mar. Using the proficiency score averages, the average test scores for Del Mar, CA schools is 86%. The average student to teacher ratio is 17:1. In Del Mar, CA, an average of 98.8% of students have completed 8th grade and an average of 98.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rancho Santa Fe, CA | 2,657 | 85% | 76.7% |
| Solana Beach, CA | 13,301 | 71% | 48.7% |
| Carlsbad, CA | 114,411 | 70% | 46.5% |
| Encinitas, CA | 62,967 | 65% | 35.0% |
| Poway, CA | 49,780 | 60% | 25.2% |
| Del Mar, CA | 4,331 | 86% | 79.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Selmer, TN | 4,330 | 32% | 33.0% |
| Woodruff, SC | 4,333 | 63% | 30.6% |
| Fayette, AL | 4,329 | 43% | 10.2% |
| Dillon, MT | 4,333 | 54% | 12.5% |
| Harrogate, TN | 4,334 | 30% | 37.2% |
| Del Mar, CA | 4,331 | 86% | 79.2% |
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