| Index | Adair | Illinois | National |
| Average Test Scores | n/a | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Adair | Illinois | National |
| Completed 8th grade | 91.2% | 86.2% | 84.3% |
| Completed high school | 91.2% | 84.7% | 83.0% |
| Completed some college | 24.3% | 61.8% | 59.4% |
| Completed associate degree | 17.6% | 40.7% | 38.5% |
| Completed bachelors | 11.8% | 32.9% | 30.3% |
| Completed masters | 4.4% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 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 Adair. Using the proficiency score averages, the average test scores for Adair, IL schools is n/a. The average student to teacher ratio is n/a. In Adair, IL, an average of 91.2% of students have completed 8th grade and an average of 91.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Good Hope, IL | 405 | 35% | 27.1% |
| Macomb, IL | 17,658 | 30% | 37.0% |
| Sciota, IL | 85 | 25% | 47.9% |
| Astoria, IL | 1,154 | 22% | 54.5% |
| Table Grove, IL | 363 | 14% | 70.1% |
| Adair, IL | 179 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Starks, LA | 179 | 67% | 39.6% |
| Camptonville, CA | 179 | 65% | 35.4% |
| Minnewaukan, ND | 179 | 32% | 32.8% |
| Patch Grove, WI | 179 | 41% | 14.6% |
| Kaktovik, AK | 178 | 30% | 37.5% |
| Adair, IL | 179 | n/a |
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