| Index | Port Arthur | Texas | National |
| Average Test Scores | 45% | 47% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 25 | 7,418 | 79,221 |
| Total private schools | 3 | 1,267 | 24,874 |
| Total post-secondary schools | 1 | 463 | 7,963 |

| Index | Port Arthur | Texas | National |
| Completed 8th grade | 71.8% | 79.3% | 84.3% |
| Completed high school | 69.3% | 77.8% | 83.0% |
| Completed some college | 37.7% | 57.3% | 59.4% |
| Completed associate degree | 18.0% | 34.9% | 38.5% |
| Completed bachelors | 11.3% | 28.1% | 30.3% |
| Completed masters | 3.2% | 9.6% | 11.5% |
| Completed professional degree | 0.7% | 2.6% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 25 public schools, 3 private schools and 1 post-secondary schools in Port Arthur. Using the proficiency score averages, the average test scores for Port Arthur, TX schools is 45%. The average student to teacher ratio is 16:1. In Port Arthur, TX, an average of 71.8% of students have completed 8th grade and an average of 69.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Nederland, TX | 17,748 | 58% | 21.7% |
| Groves, TX | 15,865 | 58% | 20.5% |
| Port Neches, TX | 13,168 | 54% | 12.1% |
| Bridge City, TX | 8,123 | 51% | 6.3% |
| Orange, TX | 18,926 | 39% | 19.6% |
| Port Arthur, TX | 56,362 | 45% | 5.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Gilroy, CA | 56,371 | 47% | 2.0% |
| Rocky Mount, NC | 56,346 | 24% | 50.3% |
| Lenexa, KS | 56,388 | 50% | 3.5% |
| Bel Air South, MD | 56,444 | 48% | 0.5% |
| West Haven, CT | 56,258 | 48% | 0.8% |
| Port Arthur, TX | 56,362 | 45% | 5.5% |