| Index | Percy | 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 | Percy | Illinois | National |
| Completed 8th grade | 63.1% | 86.2% | 84.3% |
| Completed high school | 58.9% | 84.7% | 83.0% |
| Completed some college | 20.5% | 61.8% | 59.4% |
| Completed associate degree | 10.1% | 40.7% | 38.5% |
| Completed bachelors | 2.3% | 32.9% | 30.3% |
| Completed masters | 1.1% | 12.7% | 11.5% |
| Completed professional degree | 0.6% | 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 Percy. Using the proficiency score averages, the average test scores for Percy, IL schools is n/a. The average student to teacher ratio is n/a. In Percy, IL, an average of 63.1% of students have completed 8th grade and an average of 58.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pinckneyville, IL | 5,391 | 36% | 25.3% |
| Coulterville, IL | 881 | 33% | 32.3% |
| Steeleville, IL | 1,870 | 32% | 32.8% |
| Chester, IL | 8,264 | 27% | 43.2% |
| Campbell Hill, IL | 292 | 26% | 45.1% |
| Percy, IL | 1,110 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Grant, MI | 1,110 | 40% | 17.7% |
| Simpson, PA | 1,110 | 52% | 8.3% |
| Hotevilla-Bacavi, AZ | 1,110 | 7% | 86.5% |
| Johnson City, KS | 1,110 | 28% | 41.1% |
| Raleigh, MS | 1,111 | 42% | 13.0% |
| Percy, IL | 1,110 | n/a |
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