| Index | Galesburg | Illinois | National |
| Average Test Scores | 27% | 33% | 48% |
| Student/Teacher ratio | 15:1 | 18:1 | 16:1 |
| Total public schools | 16 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | 2 | 306 | 7,963 |
| Index | Galesburg | Illinois | National |
| Completed 8th grade | 79.8% | 86.2% | 84.3% |
| Completed high school | 77.9% | 84.7% | 83.0% |
| Completed some college | 49.8% | 61.8% | 59.4% |
| Completed associate degree | 26.6% | 40.7% | 38.5% |
| Completed bachelors | 17.0% | 32.9% | 30.3% |
| Completed masters | 7.3% | 12.7% | 11.5% |
| Completed professional degree | 2.1% | 3.4% | 3.3% |
| Completed doctorate | 0.9% | 1.2% | 1.3% |
There are a total of 16 public schools, 2 private schools and 2 post-secondary schools in Galesburg. Using the proficiency score averages, the average test scores for Galesburg, IL schools is 27%. The average student to teacher ratio is 15:1. In Galesburg, IL, an average of 79.8% of students have completed 8th grade and an average of 77.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oneida, IL | 778 | 36% | 25.5% |
| Abingdon, IL | 3,570 | 27% | 43.2% |
| Alexis, IL | 862 | 27% | 43.8% |
| Knoxville, IL | 3,137 | 25% | 47.2% |
| Monmouth, IL | 8,837 | 25% | 49.0% |
| Galesburg, IL | 30,405 | 27% | 44.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Long Branch, NJ | 30,424 | 31% | 35.8% |
| Kingman, AZ | 30,433 | 42% | 12.2% |
| Crown Point, IN | 30,372 | 68% | 42.6% |
| Syracuse, UT | 30,366 | 51% | 5.6% |
| Atascadero, CA | 30,444 | 43% | 10.5% |
| Galesburg, IL | 30,405 | 27% | 44.0% |
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