| Index | Hanover | Illinois | National |
| Average Test Scores | 43% | 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 | Hanover | Illinois | National |
| Completed 8th grade | 82.4% | 86.2% | 84.3% |
| Completed high school | 81.6% | 84.7% | 83.0% |
| Completed some college | 45.0% | 61.8% | 59.4% |
| Completed associate degree | 19.5% | 40.7% | 38.5% |
| Completed bachelors | 9.8% | 32.9% | 30.3% |
| Completed masters | 2.5% | 12.7% | 11.5% |
| Completed professional degree | 0.8% | 3.4% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Hanover. Using the proficiency score averages, the average test scores for Hanover, IL schools is 43%. The average student to teacher ratio is n/a. In Hanover, IL, an average of 82.4% of students have completed 8th grade and an average of 81.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bellevue, IA | 2,082 | 75% | 55.2% |
| Preston, IA | 1,013 | 65% | 34.4% |
| Miles, IA | 388 | 65% | 34.4% |
| Stockton, IL | 1,656 | 47% | 1.7% |
| Galena, IL | 3,168 | 44% | 9.4% |
| Hanover, IL | 713 | 43% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Mesa, WA | 713 | 38% | 21.4% |
| Bassett, NE | 713 | 47% | 2.8% |
| Wallace, SC | 713 | 25% | 47.9% |
| Kerkhoven, MN | 714 | 45% | 7.3% |
| Bear River City, UT | 714 | 42% | 13.5% |
| Hanover, IL | 713 | 43% | 10.4% |
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