| Index | Gloster | Mississippi | National |
| Average Test Scores | n/a | 40% | 48% |
| Student/Teacher ratio | 13:1 | 16:1 | 16:1 |
| Total public schools | 1 | 893 | 79,221 |
| Total private schools | 1 | 206 | 24,874 |
| Total post-secondary schools | n/a | 68 | 7,963 |
| Index | Gloster | Mississippi | National |
| Completed 8th grade | 76.4% | 78.6% | 84.3% |
| Completed high school | 72.6% | 76.7% | 83.0% |
| Completed some college | 45.7% | 52.5% | 59.4% |
| Completed associate degree | 26.8% | 29.8% | 38.5% |
| Completed bachelors | 5.3% | 21.0% | 30.3% |
| Completed masters | 0.0% | 7.9% | 11.5% |
| Completed professional degree | 0.0% | 2.2% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Gloster. Using the proficiency score averages, the average test scores for Gloster, MS schools is n/a. The average student to teacher ratio is 13:1. In Gloster, MS, an average of 76.4% of students have completed 8th grade and an average of 72.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Centreville, MS | 1,633 | 17% | 64.1% |
| Liberty, MS | 907 | 17% | 65.6% |
| Gloster, MS | 1,356 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Cairo, NY | 1,356 | 53% | 9.4% |
| Capitan, NM | 1,356 | 36% | 24.7% |
| Dallesport, WA | 1,357 | 35% | 27.1% |
| Jonesville, VA | 1,355 | 79% | 64.2% |
| Coulee Dam, WA | 1,355 | 39% | 19.1% |
| Gloster, MS | 1,356 | n/a |
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