| Index | Cornish | Oklahoma | National |
| Average Test Scores | n/a | 32% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,346 | 79,221 |
| Total private schools | n/a | 159 | 24,874 |
| Total post-secondary schools | n/a | 178 | 7,963 |

| Index | Cornish | Oklahoma | National |
| Completed 8th grade | 58.6% | 83.5% | 84.3% |
| Completed high school | 58.6% | 82.2% | 83.0% |
| Completed some college | 29.7% | 55.6% | 59.4% |
| Completed associate degree | 17.1% | 31.9% | 38.5% |
| Completed bachelors | 16.2% | 24.5% | 30.3% |
| Completed masters | 1.8% | 8.1% | 11.5% |
| Completed professional degree | 0.0% | 2.3% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cornish. Using the proficiency score averages, the average test scores for Cornish, OK schools is n/a. The average student to teacher ratio is n/a. In Cornish, OK, an average of 58.6% of students have completed 8th grade and an average of 58.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Wilson, OK | 1,532 | 26% | 46.9% |
| Healdton, OK | 2,780 | 22% | 53.8% |
| Ringling, OK | 1,019 | 18% | 62.2% |
| Cornish, OK | 170 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Richey, MT | 170 | 50% | 4.2% |
| Deer Creek, OK | 170 | 47% | 2.1% |
| Akhiok, AK | 170 | 50% | 4.2% |
| Iola, TX | 170 | 57% | 18.8% |
| Orchard, TX | 170 | 37% | 22.9% |
| Cornish, OK | 170 | n/a |