| Index | San Leon | Texas | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |

| Index | San Leon | Texas | National |
| Completed 8th grade | 66.7% | 79.3% | 84.3% |
| Completed high school | 65.4% | 77.8% | 83.0% |
| Completed some college | 42.1% | 57.3% | 59.4% |
| Completed associate degree | 19.0% | 34.9% | 38.5% |
| Completed bachelors | 14.7% | 28.1% | 30.3% |
| Completed masters | 4.7% | 9.6% | 11.5% |
| Completed professional degree | 1.4% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in San Leon. Using the proficiency score averages, the average test scores for San Leon, TX schools is n/a. The average student to teacher ratio is n/a. In San Leon, TX, an average of 66.7% of students have completed 8th grade and an average of 65.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| League City, TX | 107,571 | 58% | 20.2% |
| Deer Park, TX | 34,681 | 55% | 13.9% |
| Seabrook, TX | 14,322 | 51% | 7.1% |
| La Porte, TX | 36,484 | 49% | 1.5% |
| Kemah, TX | 2,193 | 48% | = 100 |
| San Leon, TX | 5,626 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Starke, FL | 5,625 | 47% | 1.3% |
| Canal Fulton, OH | 5,625 | 81% | 69.4% |
| Slinger, WI | 5,629 | 60% | 24.7% |
| Batesburg-Leesville, SC | 5,630 | 48% | = 100 |
| Chadron, NE | 5,621 | 57% | 19.5% |
| San Leon, TX | 5,626 | n/a |