| Index | Brentwood | Tennessee | National |
| Average Test Scores | 75% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 11 | 1,390 | 79,221 |
| Total private schools | 3 | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Brentwood | Tennessee | National |
| Completed 8th grade | 97.3% | 82.0% | 84.3% |
| Completed high school | 97.0% | 79.9% | 83.0% |
| Completed some college | 88.3% | 53.2% | 59.4% |
| Completed associate degree | 75.8% | 32.2% | 38.5% |
| Completed bachelors | 70.9% | 25.4% | 30.3% |
| Completed masters | 28.5% | 9.3% | 11.5% |
| Completed professional degree | 9.3% | 2.8% | 3.3% |
| Completed doctorate | 3.7% | 1.2% | 1.3% |
There are a total of 11 public schools, 3 private schools and n/a post-secondary schools in Brentwood. Using the proficiency score averages, the average test scores for Brentwood, TN schools is 75%. The average student to teacher ratio is n/a. In Brentwood, TN, an average of 97.3% of students have completed 8th grade and an average of 97.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Nolensville, TN | 9,221 | 67% | 40.4% |
| Franklin, TN | 80,675 | 66% | 37.1% |
| Smyrna, TN | 50,820 | 41% | 15.3% |
| La Vergne, TN | 35,556 | 33% | 30.4% |
| Nashville, TN | 667,070 | 26% | 45.1% |
| Brentwood, TN | 42,700 | 75% | 56.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Mankato, MN | 42,685 | 52% | 8.6% |
| Jefferson City, MO | 42,670 | 44% | 8.1% |
| Farmers Branch, TX | 42,659 | 45% | 7.3% |
| Lompoc, CA | 42,753 | 33% | 30.6% |
| Fairfield, OH | 42,623 | 63% | 30.6% |
| Brentwood, TN | 42,700 | 75% | 56.8% |
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