| Index | Forest Glen | Maryland | National |
| Average Test Scores | n/a | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,163 | 79,221 |
| Total private schools | n/a | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Forest Glen | Maryland | National |
| Completed 8th grade | 90.0% | 87.5% | 84.3% |
| Completed high school | 89.9% | 86.5% | 83.0% |
| Completed some college | 76.1% | 64.2% | 59.4% |
| Completed associate degree | 64.6% | 44.8% | 38.5% |
| Completed bachelors | 58.8% | 38.4% | 30.3% |
| Completed masters | 30.0% | 17.7% | 11.5% |
| Completed professional degree | 9.3% | 5.5% | 3.3% |
| Completed doctorate | 3.9% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Forest Glen. Using the proficiency score averages, the average test scores for Forest Glen, MD schools is n/a. The average student to teacher ratio is n/a. In Forest Glen, MD, an average of 90.0% of students have completed 8th grade and an average of 89.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 48,566 | 95% | 97.1% |
| Great Falls, VA | 14,793 | 94% | 94.8% |
| Oakton, VA | 36,468 | 92% | 90.6% |
| Vienna, VA | 16,532 | 88% | 83.4% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Forest Glen, MD | 5,957 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Norwood, PA | 5,957 | 54% | 11.5% |
| Lebanon, KY | 5,960 | 47% | 1.8% |
| Pea Ridge, AR | 5,960 | 46% | 3.5% |
| Gladewater, TX | 5,960 | 53% | 9.4% |
| Slaton, TX | 5,953 | 41% | 15.3% |
| Forest Glen, MD | 5,957 | n/a |
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