| Index | Walker Mill | 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 | Walker Mill | Maryland | National |
| Completed 8th grade | 85.2% | 87.5% | 84.3% |
| Completed high school | 84.8% | 86.5% | 83.0% |
| Completed some college | 52.9% | 64.2% | 59.4% |
| Completed associate degree | 26.0% | 44.8% | 38.5% |
| Completed bachelors | 20.7% | 38.4% | 30.3% |
| Completed masters | 9.9% | 17.7% | 11.5% |
| Completed professional degree | 1.0% | 5.5% | 3.3% |
| Completed doctorate | 0.3% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Walker Mill. Using the proficiency score averages, the average test scores for Walker Mill, MD schools is n/a. The average student to teacher ratio is n/a. In Walker Mill, MD, an average of 85.2% of students have completed 8th grade and an average of 84.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rose Hill, VA | 21,846 | 85% | 76.0% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Bethesda, MD | 65,092 | 77% | 60.6% |
| Alexandria, VA | 158,309 | 72% | 49.0% |
| Fort Belvoir, VA | 7,794 | 71% | 48.4% |
| Walker Mill, MD | 9,725 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mooresville, IN | 9,727 | 50% | 5.0% |
| Aiea, HI | 9,730 | 49% | 1.6% |
| Woodlyn, PA | 9,732 | 50% | 3.1% |
| Dunn, NC | 9,738 | 46% | 5.1% |
| Havre, MT | 9,739 | 48% | 0.3% |
| Walker Mill, MD | 9,725 | n/a |
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