| Index | Glenn Dale | Maryland | National |
| Average Test Scores | 31% | 40% | 48% |
| Student/Teacher ratio | 19:1 | 16:1 | 16:1 |
| Total public schools | 1 | 1,163 | 79,221 |
| Total private schools | 1 | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Glenn Dale | Maryland | National |
| Completed 8th grade | 92.2% | 87.5% | 84.3% |
| Completed high school | 90.7% | 86.5% | 83.0% |
| Completed some college | 77.0% | 64.2% | 59.4% |
| Completed associate degree | 50.7% | 44.8% | 38.5% |
| Completed bachelors | 45.9% | 38.4% | 30.3% |
| Completed masters | 22.0% | 17.7% | 11.5% |
| Completed professional degree | 6.9% | 5.5% | 3.3% |
| Completed doctorate | 3.8% | 2.5% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Glenn Dale. Using the proficiency score averages, the average test scores for Glenn Dale, MD schools is 31%. The average student to teacher ratio is 19:1. In Glenn Dale, MD, an average of 92.2% of students have completed 8th grade and an average of 90.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Alexandria, VA | 158,309 | 72% | 49.0% |
| Severna Park, MD | 38,729 | 69% | 44.6% |
| Chevy Chase, MD | 2,979 | 69% | 43.0% |
| Brookeville, MD | 151 | 66% | 37.5% |
| Largo, MD | 11,633 | 65% | 35.9% |
| Glenn Dale, MD | 13,722 | 31% | 36.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Beacon, NY | 13,723 | 57% | 17.7% |
| Lebanon, NH | 13,718 | 66% | 36.5% |
| Moberly, MO | 13,710 | 34% | 28.5% |
| Blytheville, AR | 13,735 | 22% | 54.0% |
| McMinnville, TN | 13,707 | 29% | 39.7% |
| Glenn Dale, MD | 13,722 | 31% | 36.5% |
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