| 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 |
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| 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 | 2,307 | 40% | 16.7% |
| Lake Village, AR | 2,345 | 25% | 47.6% |
| Portland, AR | 384 | 65% | 35.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Achille, OK | 384 | 27% | 43.2% |
| Monterey, LA | 385 | 86% | 78.1% |
| Kendrick, ID | 385 | 45% | 6.3% |
| Dover, OK | 383 | 37% | 22.4% |
| Whittemore, MI | 383 | 30% | 37.5% |
| Portland, AR | 384 | 65% | 35.4% |
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