| Index | Portland | Arkansas | National |
| Average Test Scores | 65% | 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 | Portland | Arkansas | National |
| Completed 8th grade | 86.7% | 80.7% | 84.3% |
| Completed high school | 81.8% | 79.0% | 83.0% |
| Completed some college | 49.1% | 50.5% | 59.4% |
| Completed associate degree | 26.7% | 27.9% | 38.5% |
| Completed bachelors | 19.4% | 21.5% | 30.3% |
| Completed masters | 8.5% | 7.6% | 11.5% |
| Completed professional degree | 4.2% | 2.2% | 3.3% |
| Completed doctorate | 3.9% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Portland. Using the proficiency score averages, the average test scores for Portland, AR schools is 65%. The average student to teacher ratio is n/a. In Portland, AR, an average of 86.7% of students have completed 8th grade and an average of 81.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Eudora, AR | 2,246 | 40% | 16.7% |
| Lake Village, AR | 2,258 | 25% | 47.6% |
| Portland, AR | 375 | 65% | 35.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 375 | 82% | 69.8% |
| Hyden, KY | 375 | 48% | 1.0% |
| Weldon, IL | 375 | 15% | 68.8% |
| Leigh, NE | 375 | 61% | 27.1% |
| Mondamin, IA | 374 | 61% | 26.6% |
| Portland, AR | 375 | 65% | 35.4% |
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