| Index | Brentwood | Tennessee | National |
| Average Test Scores | 88% | 52% | 49% |
| 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 88%. 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, State | Population | Avg. Test Scores | National Avg. |
| Forest Hills, TN | 4,999 | 89% | 80% |
| Nolensville, TN | 6,724 | 80% | 62% |
| Franklin, TN | 70,625 | 79% | 61% |
| Oak Hill, TN | 4,686 | 72% | 46% |
| Smyrna, TN | 45,369 | 61% | 25% |
| Brentwood, TN | 40,873 | 88% | 79% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Coram, NY | 40,899 | 56% | 13% |
| Mankato, MN | 40,900 | 58% | 18% |
| Cedar Falls, IA | 40,828 | 86% | 75% |
| Campbell, CA | 40,788 | 53% | 8% |
| Wilkes-Barre, PA | 40,964 | 26% | 47% |
| Brentwood, TN | 40,873 | 88% | 79% |
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