| Index | Gregory | Texas | National |
| Average Test Scores | 43% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 2 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Gregory | Texas | National |
| Completed 8th grade | 66.2% | 79.3% | 84.3% |
| Completed high school | 62.6% | 77.8% | 83.0% |
| Completed some college | 30.1% | 57.3% | 59.4% |
| Completed associate degree | 10.8% | 34.9% | 38.5% |
| Completed bachelors | 8.5% | 28.1% | 30.3% |
| Completed masters | 2.2% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Gregory. Using the proficiency score averages, the average test scores for Gregory, TX schools is 43%. The average student to teacher ratio is 15:1. In Gregory, TX, an average of 66.2% of students have completed 8th grade and an average of 62.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Port Aransas, TX | 4,203 | 70% | 45.1% |
| Portland, TX | 17,807 | 53% | 11.0% |
| Rockport, TX | 10,815 | 47% | 2.1% |
| Corpus Christi, TX | 326,332 | 47% | 2.7% |
| Sinton, TX | 5,389 | 46% | 4.2% |
| Gregory, TX | 2,218 | 43% | 11.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Lathrop, MO | 2,218 | 45% | 5.9% |
| Cheney, KS | 2,219 | 45% | 7.3% |
| Waterloo, IN | 2,217 | 49% | 1.4% |
| Eureka, KS | 2,217 | 32% | 33.3% |
| Pulaski, NY | 2,217 | 55% | 13.9% |
| Gregory, TX | 2,218 | 43% | 11.5% |
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