| Index | Sealy | Texas | National |
| Average Test Scores | 43% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 4 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Sealy | Texas | National |
| Completed 8th grade | 73.3% | 79.3% | 84.3% |
| Completed high school | 71.4% | 77.8% | 83.0% |
| Completed some college | 43.5% | 57.3% | 59.4% |
| Completed associate degree | 24.8% | 34.9% | 38.5% |
| Completed bachelors | 16.5% | 28.1% | 30.3% |
| Completed masters | 5.5% | 9.6% | 11.5% |
| Completed professional degree | 1.6% | 2.6% | 3.3% |
| Completed doctorate | 1.6% | 1.1% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Sealy. Using the proficiency score averages, the average test scores for Sealy, TX schools is 43%. The average student to teacher ratio is 14:1. In Sealy, TX, an average of 73.3% of students have completed 8th grade and an average of 71.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bellville, TX | 4,228 | 48% | 0.5% |
| Wallis, TX | 1,755 | 42% | 13.5% |
| Brookshire, TX | 5,601 | 40% | 16.9% |
| Orchard, TX | 166 | 37% | 22.9% |
| Eagle Lake, TX | 3,742 | 26% | 45.8% |
| Sealy, TX | 6,439 | 43% | 11.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Cheverly, MD | 6,439 | 27% | 43.8% |
| Rittman, OH | 6,439 | 65% | 34.9% |
| Carthage, TX | 6,442 | 48% | 0.2% |
| Green Knoll, NJ | 6,442 | 68% | 41.0% |
| Ishpeming, MI | 6,433 | 45% | 5.4% |
| Sealy, TX | 6,439 | 43% | 11.5% |
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