| Index | San Clemente | California | National |
| Average Test Scores | 62% | 43% | 48% |
| Student/Teacher ratio | 23:1 | 20:1 | 16:1 |
| Total public schools | 12 | 8,308 | 79,221 |
| Total private schools | 3 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | San Clemente | California | National |
| Completed 8th grade | 94.4% | 81.1% | 84.3% |
| Completed high school | 94.2% | 79.8% | 83.0% |
| Completed some college | 82.8% | 61.5% | 59.4% |
| Completed associate degree | 57.9% | 39.8% | 38.5% |
| Completed bachelors | 47.8% | 32.0% | 30.3% |
| Completed masters | 17.3% | 11.9% | 11.5% |
| Completed professional degree | 5.6% | 3.9% | 3.3% |
| Completed doctorate | 1.9% | 1.6% | 1.3% |
There are a total of 12 public schools, 3 private schools and n/a post-secondary schools in San Clemente. Using the proficiency score averages, the average test scores for San Clemente, CA schools is 62%. The average student to teacher ratio is 23:1. In San Clemente, CA, an average of 94.4% of students have completed 8th grade and an average of 94.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Laguna Beach, CA | 22,991 | 80% | 67.2% |
| Coto de Caza, CA | 15,509 | 79% | 64.6% |
| Ladera Ranch, CA | 24,996 | 78% | 61.7% |
| Las Flores, CA | 5,089 | 73% | 51.6% |
| Rancho Santa Margarita, CA | 48,280 | 67% | 39.6% |
| San Clemente, CA | 64,929 | 62% | 30.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Wellington, FL | 64,990 | 74% | 54.5% |
| Santa Cruz, CA | 65,011 | 52% | 7.9% |
| Harlingen, TX | 65,028 | 48% | 0.7% |
| Laguna Niguel, CA | 65,048 | 66% | 38.3% |
| Blaine, MN | 65,048 | 55% | 14.3% |
| San Clemente, CA | 64,929 | 62% | 30.0% |
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