| Index | Portia | Arkansas | National |
| Average Test Scores | n/a | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |
| Index | Portia | Arkansas | National |
| Completed 8th grade | 69.4% | 80.7% | 84.3% |
| Completed high school | 62.3% | 79.0% | 83.0% |
| Completed some college | 26.9% | 50.5% | 59.4% |
| Completed associate degree | 7.9% | 27.9% | 38.5% |
| Completed bachelors | 5.8% | 21.5% | 30.3% |
| Completed masters | 2.5% | 7.6% | 11.5% |
| Completed professional degree | 2.1% | 2.2% | 3.3% |
| Completed doctorate | 2.1% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Portia. Using the proficiency score averages, the average test scores for Portia, AR schools is n/a. The average student to teacher ratio is n/a. In Portia, AR, an average of 69.4% of students have completed 8th grade and an average of 62.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lynn, AR | 226 | 52% | 8.3% |
| Strawberry, AR | 338 | 45% | 7.3% |
| Hoxie, AR | 2,610 | 43% | 10.9% |
| Pocahontas, AR | 6,582 | 42% | 12.8% |
| Walnut Ridge, AR | 5,104 | 42% | 13.0% |
| Portia, AR | 511 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| South Range, MI | 511 | 45% | 7.3% |
| Smithton, MO | 511 | 42% | 12.5% |
| Circle, MT | 511 | 49% | 1.6% |
| Juliaetta, ID | 511 | 42% | 12.5% |
| Mackay, ID | 511 | 47% | 1.6% |
| Portia, AR | 511 | n/a |
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