| Index | Troy Grove | 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 | Troy Grove | Illinois | National |
| Completed 8th grade | 88.7% | 86.2% | 84.3% |
| Completed high school | 87.6% | 84.7% | 83.0% |
| Completed some college | 46.4% | 61.8% | 59.4% |
| Completed associate degree | 21.1% | 40.7% | 38.5% |
| Completed bachelors | 6.7% | 32.9% | 30.3% |
| Completed masters | 1.0% | 12.7% | 11.5% |
| Completed professional degree | 0.5% | 3.4% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Troy Grove. Using the proficiency score averages, the average test scores for Troy Grove, IL schools is n/a. The average student to teacher ratio is n/a. In Troy Grove, IL, an average of 88.7% of students have completed 8th grade and an average of 87.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dalzell, IL | 628 | 55% | 14.6% |
| Cherry, IL | 479 | 50% | 4.2% |
| Peru, IL | 9,777 | 39% | 19.8% |
| Mendota, IL | 6,927 | 33% | 31.9% |
| Ottawa, IL | 18,742 | 33% | 32.3% |
| Troy Grove, IL | 210 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Selden, KS | 210 | 43% | 11.5% |
| Point Reyes Station, CA | 210 | 37% | 22.9% |
| Shungnak, AK | 210 | 10% | 79.2% |
| Farson, WY | 211 | 63% | 31.9% |
| Casstown, OH | 209 | 83% | 72.6% |
| Troy Grove, IL | 210 | n/a |
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