| Index | Gary City | Texas | National |
| Average Test Scores | 51% | 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 | Gary City | Texas | National |
| Completed 8th grade | 78.1% | 79.3% | 84.3% |
| Completed high school | 77.7% | 77.8% | 83.0% |
| Completed some college | 42.2% | 57.3% | 59.4% |
| Completed associate degree | 14.1% | 34.9% | 38.5% |
| Completed bachelors | 14.1% | 28.1% | 30.3% |
| Completed masters | 6.6% | 9.6% | 11.5% |
| Completed professional degree | 2.3% | 2.6% | 3.3% |
| Completed doctorate | 2.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Gary City. Using the proficiency score averages, the average test scores for Gary City, TX schools is 51%. The average student to teacher ratio is n/a. In Gary City, TX, an average of 78.1% of students have completed 8th grade and an average of 77.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Beckville, TX | 968 | 58% | 20.3% |
| Carthage, TX | 6,700 | 48% | 0.2% |
| Garrison, TX | 1,371 | 48% | 1.0% |
| Timpson, TX | 1,236 | 43% | 10.4% |
| Tenaha, TX | 1,628 | 41% | 14.6% |
| Gary City, TX | 396 | 51% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Topawa, AZ | 396 | 26% | 45.5% |
| Greensboro, PA | 396 | 47% | 2.1% |
| Pedricktown, NJ | 396 | 65% | 34.4% |
| Bonesteel, SD | 396 | 40% | 16.7% |
| Neponset, IL | 396 | 32% | 33.3% |
| Gary City, TX | 396 | 51% | 5.2% |