| Index | Portal | North Dakota | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 12:1 | 16:1 |
| Total public schools | n/a | 272 | 79,221 |
| Total private schools | n/a | 47 | 24,874 |
| Total post-secondary schools | n/a | 30 | 7,963 |
| Index | Portal | North Dakota | National |
| Completed 8th grade | 88.9% | 90.7% | 84.3% |
| Completed high school | 88.9% | 88.3% | 83.0% |
| Completed some college | 63.9% | 64.6% | 59.4% |
| Completed associate degree | 39.8% | 41.6% | 38.5% |
| Completed bachelors | 25.9% | 28.2% | 30.3% |
| Completed masters | 0.0% | 7.7% | 11.5% |
| Completed professional degree | 0.0% | 2.4% | 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 Portal. Using the proficiency score averages, the average test scores for Portal, ND schools is n/a. The average student to teacher ratio is n/a. In Portal, ND, an average of 88.9% of students have completed 8th grade and an average of 88.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lignite, ND | 157 | 45% | 6.3% |
| Bowbells, ND | 299 | 40% | 16.7% |
| Portal, ND | 132 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Wisdom, MT | 132 | 50% | 4.2% |
| Aleknagik, AK | 133 | 50% | 4.2% |
| Lester, AL | 131 | 42% | 12.5% |
| St. Paul, AR | 131 | 33% | 30.7% |
| Driftwood, TX | 131 | 25% | 47.9% |
| Portal, ND | 132 | n/a |
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