| Index | Brentwood | California | National |
| Average Test Scores | n/a | 10% | 48% |
| Student/Teacher ratio | 34:1 | 20:1 | 16:1 |
| Total public schools | 10 | 8,308 | 79,221 |
| Total private schools | 2 | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |
| Index | Brentwood | California | National |
| Completed 8th grade | 88.8% | 81.1% | 84.3% |
| Completed high school | 88.1% | 79.8% | 83.0% |
| Completed some college | 69.1% | 61.5% | 59.4% |
| Completed associate degree | 40.0% | 39.8% | 38.5% |
| Completed bachelors | 28.3% | 32.0% | 30.3% |
| Completed masters | 6.8% | 11.9% | 11.5% |
| Completed professional degree | 2.3% | 3.9% | 3.3% |
| Completed doctorate | 0.5% | 1.6% | 1.3% |
There are a total of 10 public schools, 2 private schools and 1 post-secondary schools in Brentwood. Using the proficiency score averages, the average test scores for Brentwood, CA schools is n/a. The average student to teacher ratio is 34:1. In Brentwood, CA, an average of 88.8% of students have completed 8th grade and an average of 88.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Brentwood, CA | 56,923 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Midwest City, OK | 56,930 | 20% | 58.3% |
| Sanford, FL | 57,039 | 58% | 19.6% |
| Oak Lawn, IL | 56,774 | 35% | 26.6% |
| Tinley Park, IL | 57,125 | 46% | 3.7% |
| Valdosta, GA | 56,717 | 41% | 15.1% |
| Brentwood, CA | 56,923 | n/a |
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