| Index | Brentwood | 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 | Brentwood | Maryland | National |
| Completed 8th grade | 67.4% | 87.5% | 84.3% |
| Completed high school | 64.3% | 86.5% | 83.0% |
| Completed some college | 44.2% | 64.2% | 59.4% |
| Completed associate degree | 27.7% | 44.8% | 38.5% |
| Completed bachelors | 23.1% | 38.4% | 30.3% |
| Completed masters | 11.2% | 17.7% | 11.5% |
| Completed professional degree | 5.0% | 5.5% | 3.3% |
| Completed doctorate | 1.0% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Brentwood. Using the proficiency score averages, the average test scores for Brentwood, MD schools is n/a. The average student to teacher ratio is n/a. In Brentwood, MD, an average of 67.4% of students have completed 8th grade and an average of 64.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 48,566 | 95% | 97.1% |
| Rose Hill, VA | 21,846 | 85% | 76.0% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Springfield, VA | 32,960 | 82% | 71.2% |
| Potomac, MD | 46,256 | 81% | 68.3% |
| Brentwood, MD | 3,443 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Bullard, TX | 3,444 | 63% | 31.5% |
| Virden, IL | 3,444 | 35% | 28.1% |
| Woodstown, NJ | 3,445 | 52% | 8.1% |
| Malvern, PA | 3,445 | 79% | 64.2% |
| Cape May, NJ | 3,446 | 45% | 5.6% |
| Brentwood, MD | 3,443 | n/a |
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