| Index | Corsicana | Texas | National |
| Average Test Scores | 42% | 47% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 13 | 7,418 | 79,221 |
| Total private schools | 1 | 1,267 | 24,874 |
| Total post-secondary schools | 1 | 463 | 7,963 |
| Index | Corsicana | Texas | National |
| Completed 8th grade | 70.2% | 79.3% | 84.3% |
| Completed high school | 67.9% | 77.8% | 83.0% |
| Completed some college | 46.7% | 57.3% | 59.4% |
| Completed associate degree | 23.2% | 34.9% | 38.5% |
| Completed bachelors | 15.9% | 28.1% | 30.3% |
| Completed masters | 5.5% | 9.6% | 11.5% |
| Completed professional degree | 1.5% | 2.6% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 13 public schools, 1 private schools and 1 post-secondary schools in Corsicana. Using the proficiency score averages, the average test scores for Corsicana, TX schools is 42%. The average student to teacher ratio is 16:1. In Corsicana, TX, an average of 70.2% of students have completed 8th grade and an average of 67.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Blooming Grove, TX | 725 | 41% | 14.6% |
| Kerens, TX | 1,795 | 40% | 16.7% |
| Rice, TX | 1,008 | 39% | 18.2% |
| Dawson, TX | 943 | 37% | 22.9% |
| Corsicana, TX | 23,736 | 42% | 12.4% |
| City | Population | Avg. Test Scores | National Avg. |
| North Platte, NE | 23,734 | 56% | 17.5% |
| Monsey, NY | 23,733 | 33% | 31.6% |
| Fresno, TX | 23,745 | 38% | 20.8% |
| Edgewater, FL | 23,710 | 58% | 20.3% |
| Pelham, AL | 23,707 | 45% | 5.8% |
| Corsicana, TX | 23,736 | 42% | 12.4% |
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