| Index | Gladewater | Texas | National |
| Average Test Scores | 53% | 47% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 13 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Gladewater | Texas | National |
| Completed 8th grade | 69.3% | 79.3% | 84.3% |
| Completed high school | 69.1% | 77.8% | 83.0% |
| Completed some college | 50.9% | 57.3% | 59.4% |
| Completed associate degree | 25.2% | 34.9% | 38.5% |
| Completed bachelors | 16.7% | 28.1% | 30.3% |
| Completed masters | 2.8% | 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 13 public schools, n/a private schools and n/a post-secondary schools in Gladewater. Using the proficiency score averages, the average test scores for Gladewater, TX schools is 53%. The average student to teacher ratio is 13:1. In Gladewater, TX, an average of 69.3% of students have completed 8th grade and an average of 69.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| White Oak, TX | 6,301 | 56% | 17.4% |
| Hawkins, TX | 1,641 | 52% | 7.8% |
| Longview, TX | 82,183 | 49% | 2.4% |
| Big Sandy, TX | 1,406 | 44% | 9.1% |
| Gilmer, TX | 5,139 | 44% | 9.4% |
| Gladewater, TX | 5,960 | 53% | 9.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Lebanon, KY | 5,960 | 47% | 1.8% |
| Pea Ridge, AR | 5,960 | 46% | 3.5% |
| Norwood, PA | 5,957 | 54% | 11.5% |
| Steelton, PA | 5,964 | 24% | 50.3% |
| Slaton, TX | 5,953 | 41% | 15.3% |
| Gladewater, TX | 5,960 | 53% | 9.4% |
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