| Index | Lewellen | 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 | Lewellen | Nebraska | National |
| Completed 8th grade | 95.2% | 88.4% | 84.3% |
| Completed high school | 91.6% | 87.2% | 83.0% |
| Completed some college | 58.4% | 63.7% | 59.4% |
| Completed associate degree | 20.5% | 40.1% | 38.5% |
| Completed bachelors | 10.2% | 30.0% | 30.3% |
| Completed masters | 4.2% | 9.9% | 11.5% |
| Completed professional degree | 1.2% | 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 Lewellen. Using the proficiency score averages, the average test scores for Lewellen, NE schools is n/a. The average student to teacher ratio is n/a. In Lewellen, NE, an average of 95.2% of students have completed 8th grade and an average of 91.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oshkosh, NE | 936 | 50% | 3.1% |
| Lewellen, NE | 232 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Tetlin, AK | 232 | 20% | 58.3% |
| Whitesboro, OK | 232 | 39% | 19.8% |
| Blakesburg, IA | 232 | 67% | 39.6% |
| Fenton, IA | 232 | 72% | 50.0% |
| Raymond, NE | 232 | 52% | 8.9% |
| Lewellen, NE | 232 | n/a |
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