| Index | Selma | 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 | Selma | Texas | National |
| Completed 8th grade | 90.4% | 79.3% | 84.3% |
| Completed high school | 89.3% | 77.8% | 83.0% |
| Completed some college | 70.5% | 57.3% | 59.4% |
| Completed associate degree | 49.8% | 34.9% | 38.5% |
| Completed bachelors | 37.9% | 28.1% | 30.3% |
| Completed masters | 13.6% | 9.6% | 11.5% |
| Completed professional degree | 2.0% | 2.6% | 3.3% |
| Completed doctorate | 1.2% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Selma. Using the proficiency score averages, the average test scores for Selma, TX schools is n/a. The average student to teacher ratio is n/a. In Selma, TX, an average of 90.4% of students have completed 8th grade and an average of 89.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Castle Hills, TX | 4,632 | 85% | 76.0% |
| Live Oak, TX | 16,631 | 83% | 72.4% |
| Randolph AFB, TX | 1,228 | 66% | 36.8% |
| Garden Ridge, TX | 4,164 | 66% | 36.5% |
| Cibolo, TX | 31,234 | 57% | 18.5% |
| Selma, TX | 11,484 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Robstown, TX | 11,483 | 42% | 12.5% |
| Grand Rapids, MN | 11,472 | 48% | 0.3% |
| Summit, IL | 11,472 | 24% | 50.4% |
| Forestville, MD | 11,496 | 16% | 67.3% |
| Lincolnton, NC | 11,470 | 43% | 10.7% |
| Selma, TX | 11,484 | n/a |