| Index | Langley Park | 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 | Langley Park | Maryland | National |
| Completed 8th grade | 40.3% | 87.5% | 84.3% |
| Completed high school | 37.4% | 86.5% | 83.0% |
| Completed some college | 17.8% | 64.2% | 59.4% |
| Completed associate degree | 10.3% | 44.8% | 38.5% |
| Completed bachelors | 8.6% | 38.4% | 30.3% |
| Completed masters | 2.0% | 17.7% | 11.5% |
| Completed professional degree | 0.6% | 5.5% | 3.3% |
| Completed doctorate | 0.2% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Langley Park. Using the proficiency score averages, the average test scores for Langley Park, MD schools is n/a. The average student to teacher ratio is n/a. In Langley Park, MD, an average of 40.3% of students have completed 8th grade and an average of 37.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 48,566 | 95% | 97.1% |
| Vienna, VA | 16,532 | 88% | 83.4% |
| Rose Hill, VA | 21,846 | 85% | 76.0% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| North Potomac, MD | 24,146 | 83% | 71.9% |
| Langley Park, MD | 19,391 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Yorkville, IL | 19,386 | 46% | 4.4% |
| Montrose, CO | 19,396 | 34% | 29.2% |
| Johnstown, PA | 19,381 | 52% | 8.9% |
| Monroe, WA | 19,403 | 48% | 0.9% |
| Matteson, IL | 19,374 | 31% | 36.1% |
| Langley Park, MD | 19,391 | n/a |
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