| Index | Johnson | Nebraska | National |
| Average Test Scores | 68% | 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 | Johnson | Nebraska | National |
| Completed 8th grade | 97.0% | 88.4% | 84.3% |
| Completed high school | 94.1% | 87.2% | 83.0% |
| Completed some college | 61.4% | 63.7% | 59.4% |
| Completed associate degree | 36.9% | 40.1% | 38.5% |
| Completed bachelors | 25.8% | 30.0% | 30.3% |
| Completed masters | 5.1% | 9.9% | 11.5% |
| Completed professional degree | 0.8% | 2.9% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Johnson. Using the proficiency score averages, the average test scores for Johnson, NE schools is 68%. The average student to teacher ratio is n/a. In Johnson, NE, an average of 97.0% of students have completed 8th grade and an average of 94.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Auburn, NE | 3,306 | 64% | 32.6% |
| Cook, NE | 356 | 47% | 2.1% |
| Tecumseh, NE | 1,818 | 45% | 6.3% |
| Johnson, NE | 242 | 68% | 42.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Seneca, OR | 242 | 50% | 4.2% |
| West Sunbury, PA | 242 | 56% | 17.2% |
| Brookville, KS | 242 | 20% | 59.4% |
| Talmo, GA | 242 | 47% | 2.1% |
| Oak Ridge, MO | 241 | 35% | 28.1% |
| Johnson, NE | 242 | 68% | 42.2% |
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