| Index | Port O'Connor | Texas | National |
| Average Test Scores | 55% | 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 O'Connor | Texas | National |
| Completed 8th grade | 73.3% | 79.3% | 84.3% |
| Completed high school | 73.3% | 77.8% | 83.0% |
| Completed some college | 49.3% | 57.3% | 59.4% |
| Completed associate degree | 32.4% | 34.9% | 38.5% |
| Completed bachelors | 17.3% | 28.1% | 30.3% |
| Completed masters | 4.5% | 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 O'Connor. Using the proficiency score averages, the average test scores for Port O'Connor, TX schools is 55%. The average student to teacher ratio is n/a. In Port O'Connor, TX, an average of 73.3% of students have completed 8th grade and an average of 73.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Port Lavaca, TX | 12,015 | 54% | 11.7% |
| Port O'Connor, TX | 1,139 | 55% | 14.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Converse, IN | 1,139 | 45% | 6.8% |
| Rison, AR | 1,139 | 49% | 1.0% |
| Halsey, OR | 1,139 | 47% | 2.1% |
| Konawa, OK | 1,139 | 28% | 41.7% |
| Fowler, CO | 1,139 | 38% | 20.5% |
| Port O'Connor, TX | 1,139 | 55% | 14.6% |
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