| Index | Port Mansfield | 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 | Port Mansfield | Texas | National |
| Completed 8th grade | 100.0% | 79.3% | 84.3% |
| Completed high school | 100.0% | 77.8% | 83.0% |
| Completed some college | 72.7% | 57.3% | 59.4% |
| Completed associate degree | 41.3% | 34.9% | 38.5% |
| Completed bachelors | 38.8% | 28.1% | 30.3% |
| Completed masters | 24.0% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Port Mansfield. Using the proficiency score averages, the average test scores for Port Mansfield, TX schools is n/a. The average student to teacher ratio is n/a. In Port Mansfield, TX, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| San Perlita, TX | 739 | 52% | 7.6% |
| Port Mansfield, TX | 127 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Divide, CO | 127 | 37% | 22.9% |
| Hookstown, PA | 127 | 66% | 36.8% |
| Goodnews Bay, AK | 127 | 18% | 63.5% |
| Sweetwater, OK | 127 | 35% | 28.1% |
| Avon, MT | 127 | 50% | 4.2% |
| Port Mansfield, TX | 127 | n/a |
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