| Index | Andover | 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 | Andover | Illinois | National |
| Completed 8th grade | 95.6% | 86.2% | 84.3% |
| Completed high school | 93.7% | 84.7% | 83.0% |
| Completed some college | 52.5% | 61.8% | 59.4% |
| Completed associate degree | 35.2% | 40.7% | 38.5% |
| Completed bachelors | 14.4% | 32.9% | 30.3% |
| Completed masters | 3.7% | 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 Andover. Using the proficiency score averages, the average test scores for Andover, IL schools is n/a. The average student to teacher ratio is n/a. In Andover, IL, an average of 95.6% of students have completed 8th grade and an average of 93.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Orion, IL | 1,953 | 46% | 4.5% |
| Sherrard, IL | 653 | 44% | 7.6% |
| Woodhull, IL | 778 | 42% | 12.5% |
| Coal Valley, IL | 3,959 | 35% | 28.1% |
| Geneseo, IL | 6,706 | 34% | 30.0% |
| Andover, IL | 473 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lostant, IL | 473 | 45% | 6.3% |
| Alba, MI | 473 | 10% | 79.2% |
| Almond, WI | 474 | 33% | 31.3% |
| Marion Center, PA | 474 | 59% | 22.4% |
| Waubun, MN | 474 | 33% | 30.7% |
| Andover, IL | 473 | n/a |