| 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 | 6,375 | 72% | 49.6% |
| Deer Park, TX | 34,681 | 55% | 13.9% |
| La Porte, TX | 36,484 | 49% | 1.5% |
| Crosby, TX | 2,358 | 47% | 2.6% |
| Galena Park, TX | 11,097 | 46% | 4.9% |
| Barrett, TX | 3,521 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Haworth, NJ | 3,521 | 81% | 67.7% |
| Bullard, TX | 3,522 | 63% | 31.5% |
| Hanover, IN | 3,523 | 38% | 21.5% |
| Tipton, CA | 3,519 | 37% | 22.9% |
| Karnes City, TX | 3,519 | 43% | 11.5% |
| Barrett, TX | 3,521 | n/a |