| Index | Port Aransas | Texas | National |
| Average Test Scores | 70% | 47% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 3 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Port Aransas | Texas | National |
| Completed 8th grade | 93.9% | 79.3% | 84.3% |
| Completed high school | 93.6% | 77.8% | 83.0% |
| Completed some college | 63.9% | 57.3% | 59.4% |
| Completed associate degree | 36.6% | 34.9% | 38.5% |
| Completed bachelors | 29.0% | 28.1% | 30.3% |
| Completed masters | 11.2% | 9.6% | 11.5% |
| Completed professional degree | 4.2% | 2.6% | 3.3% |
| Completed doctorate | 2.8% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Port Aransas. Using the proficiency score averages, the average test scores for Port Aransas, TX schools is 70%. The average student to teacher ratio is 12:1. In Port Aransas, TX, an average of 93.9% of students have completed 8th grade and an average of 93.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Portland, TX | 17,807 | 53% | 11.0% |
| Rockport, TX | 10,815 | 47% | 2.1% |
| Ingleside, TX | 9,768 | 46% | 5.2% |
| Gregory, TX | 2,218 | 43% | 11.5% |
| Aransas Pass, TX | 9,269 | 43% | 11.5% |
| Port Aransas, TX | 4,203 | 70% | 45.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Caseyville, IL | 4,203 | 34% | 30.2% |
| Tazewell, VA | 4,203 | 89% | 84.4% |
| Shallotte, NC | 4,205 | 53% | 10.4% |
| Elmira Heights, NY | 4,206 | 54% | 13.2% |
| Groesbeck, TX | 4,206 | 37% | 23.2% |
| Port Aransas, TX | 4,203 | 70% | 45.1% |
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