| Index | Olmsted | 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 | Olmsted | Illinois | National |
| Completed 8th grade | 73.9% | 86.2% | 84.3% |
| Completed high school | 70.7% | 84.7% | 83.0% |
| Completed some college | 47.5% | 61.8% | 59.4% |
| Completed associate degree | 22.5% | 40.7% | 38.5% |
| Completed bachelors | 15.4% | 32.9% | 30.3% |
| Completed masters | 0.7% | 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 Olmsted. Using the proficiency score averages, the average test scores for Olmsted, IL schools is n/a. The average student to teacher ratio is n/a. In Olmsted, IL, an average of 73.9% of students have completed 8th grade and an average of 70.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Barlow, KY | 542 | 50% | 4.5% |
| Joppa, IL | 263 | 40% | 16.7% |
| Cypress, IL | 216 | 18% | 63.5% |
| Tamms, IL | 702 | 17% | 64.2% |
| Dongola, IL | 654 | 14% | 70.5% |
| Olmsted, IL | 380 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Onekama, MI | 380 | 40% | 17.7% |
| Converse, LA | 380 | 70% | 45.8% |
| Gary City, TX | 380 | 51% | 5.2% |
| Dublin, NC | 380 | 22% | 54.2% |
| Harrington, WA | 381 | 43% | 11.5% |
| Olmsted, IL | 380 | n/a |
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