| Index | Oak | Nebraska | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 780 | 79,221 |
| Total private schools | n/a | 182 | 24,874 |
| Total post-secondary schools | n/a | 56 | 7,963 |
| Index | Oak | Nebraska | National |
| Completed 8th grade | 100.0% | 88.4% | 84.3% |
| Completed high school | 100.0% | 87.2% | 83.0% |
| Completed some college | 23.5% | 63.7% | 59.4% |
| Completed associate degree | 5.9% | 40.1% | 38.5% |
| Completed bachelors | 5.9% | 30.0% | 30.3% |
| Completed masters | 0.0% | 9.9% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Oak. Using the proficiency score averages, the average test scores for Oak, NE schools is n/a. The average student to teacher ratio is n/a. In Oak, NE, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Davenport, NE | 391 | 60% | 25.0% |
| Shickley, NE | 278 | 60% | 25.0% |
| Nelson, NE | 426 | 58% | 19.8% |
| Fairfield, NE | 414 | 57% | 19.3% |
| Deshler, NE | 791 | 46% | 4.2% |
| Oak, NE | 13 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hyder, AK | 12 | 50% | 4.2% |
| Scott, AR | 15 | 30% | 38.5% |
| Weston, CO | 16 | 45% | 6.3% |
| Blanchard, ND | 10 | 50% | 4.2% |
| San Antonio, NM | 9 | 25% | 47.9% |
| Oak, NE | 13 | n/a |
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