| Index | Barrett | Texas | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Barrett | Texas | National |
| Completed 8th grade | 75.6% | 79.3% | 84.3% |
| Completed high school | 75.6% | 77.8% | 83.0% |
| Completed some college | 53.7% | 57.3% | 59.4% |
| Completed associate degree | 24.0% | 34.9% | 38.5% |
| Completed bachelors | 20.9% | 28.1% | 30.3% |
| Completed masters | 3.4% | 9.6% | 11.5% |
| Completed professional degree | 1.7% | 2.6% | 3.3% |
| Completed doctorate | 1.7% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Barrett. Using the proficiency score averages, the average test scores for Barrett, TX schools is n/a. The average student to teacher ratio is n/a. In Barrett, TX, an average of 75.6% of students have completed 8th grade and an average of 75.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mont Belvieu, TX | 6,180 | 72% | 49.6% |
| Deer Park, TX | 33,599 | 55% | 13.9% |
| La Porte, TX | 35,340 | 49% | 1.5% |
| Crosby, TX | 2,276 | 47% | 2.6% |
| Galena Park, TX | 10,848 | 46% | 4.9% |
| Barrett, TX | 3,389 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mayfield, OH | 3,388 | 80% | 65.6% |
| Eielson AFB, AK | 3,388 | 51% | 5.2% |
| Rio Dell, CA | 3,388 | 28% | 41.1% |
| Buies Creek, NC | 3,388 | 45% | 7.3% |
| Tipton, CA | 3,391 | 37% | 22.9% |
| Barrett, TX | 3,389 | n/a |
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