| Index | Marlow Heights | 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 |


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| Index | Marlow Heights | Maryland | National |
| Completed 8th grade | 86.6% | 87.5% | 84.3% |
| Completed high school | 86.0% | 86.5% | 83.0% |
| Completed some college | 52.9% | 64.2% | 59.4% |
| Completed associate degree | 23.1% | 44.8% | 38.5% |
| Completed bachelors | 13.1% | 38.4% | 30.3% |
| Completed masters | 5.3% | 17.7% | 11.5% |
| Completed professional degree | 2.7% | 5.5% | 3.3% |
| Completed doctorate | 1.7% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Marlow Heights. Using the proficiency score averages, the average test scores for Marlow Heights, MD schools is n/a. The average student to teacher ratio is n/a. In Marlow Heights, MD, an average of 86.6% of students have completed 8th grade and an average of 86.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 49,909 | 95% | 97.1% |
| Rose Hill, VA | 22,707 | 85% | 76.0% |
| Lorton, VA | 21,505 | 84% | 75.0% |
| Arlington, VA | 244,812 | 83% | 72.5% |
| Springfield, VA | 33,971 | 82% | 71.2% |
| Marlow Heights, MD | 6,033 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Jamesburg, NJ | 6,034 | 45% | 6.3% |
| Alma, AR | 6,029 | 46% | 3.5% |
| McKees Rocks, PA | 6,028 | 32% | 32.6% |
| Villa Park, CA | 6,039 | 58% | 20.3% |
| Medina, NY | 6,039 | 47% | 1.4% |
| Marlow Heights, MD | 6,033 | n/a |