| Index | Cook | Nebraska | National |
| Average Test Scores | 87% | 75% | 49% |
| 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 | Cook | Nebraska | National |
| Completed 8th grade | 83.9% | 88.4% | 84.3% |
| Completed high school | 83.0% | 87.2% | 83.0% |
| Completed some college | 51.1% | 63.7% | 59.4% |
| Completed associate degree | 38.6% | 40.1% | 38.5% |
| Completed bachelors | 25.1% | 30.0% | 30.3% |
| Completed masters | 4.9% | 9.9% | 11.5% |
| Completed professional degree | 0.9% | 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 Cook. Using the proficiency score averages, the average test scores for Cook, NE schools is 87%. The average student to teacher ratio is n/a. In Cook, NE, an average of 83.9% of students have completed 8th grade and an average of 83.0% have completed high school.
| City, State | Population | Avg. Test Scores | National Avg. |
| Johnson, NE | 324 | 88% | 79% |
| Sterling, NE | 485 | 87% | 77% |
| Palmyra, NE | 659 | 82% | 67% |
| Syracuse, NE | 2,084 | 81% | 64% |
| Tecumseh, NE | 1,574 | 77% | 56% |
| Cook, NE | 316 | 87% | 77% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Wakarusa, KS | 316 | 32% | 36% |
| Tescott, KS | 316 | 45% | 9% |
| Bassfield, MS | 316 | 23% | 53% |
| Packwood, IA | 316 | 85% | 73% |
| Roscoe, SD | 316 | 45% | 9% |
| Cook, NE | 316 | 87% | 77% |
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