| Index | Deary | Idaho | National |
| Average Test Scores | 56% | 47% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 446 | 79,221 |
| Total private schools | n/a | 83 | 24,874 |
| Total post-secondary schools | n/a | 34 | 7,963 |

| Index | Deary | Idaho | National |
| Completed 8th grade | 89.6% | 85.7% | 84.3% |
| Completed high school | 89.6% | 84.8% | 83.0% |
| Completed some college | 41.7% | 62.4% | 59.4% |
| Completed associate degree | 23.2% | 35.6% | 38.5% |
| Completed bachelors | 15.4% | 26.2% | 30.3% |
| Completed masters | 0.8% | 8.4% | 11.5% |
| Completed professional degree | 0.8% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Deary. Using the proficiency score averages, the average test scores for Deary, ID schools is 56%. The average student to teacher ratio is n/a. In Deary, ID, an average of 89.6% of students have completed 8th grade and an average of 89.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Troy, ID | 888 | 82% | 71.4% |
| Bovill, ID | 266 | 60% | 25.0% |
| Kendrick, ID | 385 | 45% | 6.3% |
| Deary, ID | 424 | 56% | 17.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Rolling Prairie, IN | 424 | 61% | 26.0% |
| Green Lane, PA | 424 | 70% | 45.8% |
| Chokio, MN | 424 | 55% | 14.6% |
| Hurley, SD | 424 | 35% | 28.1% |
| Hermosa, SD | 424 | 25% | 48.4% |
| Deary, ID | 424 | 56% | 17.2% |