| Index | Granville | Illinois | National |
| Average Test Scores | 30% | 33% | 48% |
| Student/Teacher ratio | 19:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Granville | Illinois | National |
| Completed 8th grade | 84.1% | 86.2% | 84.3% |
| Completed high school | 83.8% | 84.7% | 83.0% |
| Completed some college | 52.4% | 61.8% | 59.4% |
| Completed associate degree | 27.9% | 40.7% | 38.5% |
| Completed bachelors | 17.3% | 32.9% | 30.3% |
| Completed masters | 6.1% | 12.7% | 11.5% |
| Completed professional degree | 1.5% | 3.4% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Granville. Using the proficiency score averages, the average test scores for Granville, IL schools is 30%. The average student to teacher ratio is 19:1. In Granville, IL, an average of 84.1% of students have completed 8th grade and an average of 83.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dalzell, IL | 628 | 55% | 14.6% |
| Cherry, IL | 479 | 50% | 4.2% |
| Lostant, IL | 463 | 45% | 6.3% |
| Peru, IL | 9,777 | 39% | 19.8% |
| Princeton, IL | 7,589 | 33% | 30.9% |
| Granville, IL | 1,449 | 30% | 38.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Perryville, AR | 1,449 | 46% | 5.2% |
| Leesburg, OH | 1,449 | 73% | 51.7% |
| Winterport, ME | 1,450 | 46% | 5.2% |
| Nashua, IA | 1,448 | 76% | 57.8% |
| West Alexandria, OH | 1,448 | 59% | 23.6% |
| Granville, IL | 1,449 | 30% | 38.5% |
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