| Index | Alton | Illinois | National |
| Average Test Scores | 21% | 33% | 48% |
| Student/Teacher ratio | 13:1 | 18:1 | 16:1 |
| Total public schools | 12 | 3,938 | 79,221 |
| Total private schools | 7 | 1,438 | 24,874 |
| Total post-secondary schools | 1 | 306 | 7,963 |
| Index | Alton | Illinois | National |
| Completed 8th grade | 84.1% | 86.2% | 84.3% |
| Completed high school | 82.7% | 84.7% | 83.0% |
| Completed some college | 55.7% | 61.8% | 59.4% |
| Completed associate degree | 27.9% | 40.7% | 38.5% |
| Completed bachelors | 17.5% | 32.9% | 30.3% |
| Completed masters | 5.9% | 12.7% | 11.5% |
| Completed professional degree | 1.4% | 3.4% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of 12 public schools, 7 private schools and 1 post-secondary schools in Alton. Using the proficiency score averages, the average test scores for Alton, IL schools is 21%. The average student to teacher ratio is 13:1. In Alton, IL, an average of 84.1% of students have completed 8th grade and an average of 82.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Grafton, IL | 672 | 65% | 35.4% |
| Maryville, IL | 7,962 | 65% | 34.4% |
| Maryland Heights, MO | 26,996 | 60% | 25.0% |
| Glen Carbon, IL | 12,468 | 57% | 18.8% |
| Edwardsville, IL | 25,332 | 53% | 9.5% |
| Alton, IL | 26,490 | 21% | 55.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Batavia, IL | 26,479 | 46% | 3.8% |
| Pearl, MS | 26,462 | 53% | 9.4% |
| Wooster, OH | 26,557 | 74% | 54.9% |
| Brownsburg, IN | 26,560 | 78% | 63.0% |
| Garden City, MI | 26,565 | 38% | 21.6% |
| Alton, IL | 26,490 | 21% | 55.4% |
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