| Index | Oswego | Illinois | National |
| Average Test Scores | 37% | 33% | 48% |
| Student/Teacher ratio | 28:1 | 18:1 | 16:1 |
| Total public schools | 10 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | 1 | 306 | 7,963 |
| Index | Oswego | Illinois | National |
| Completed 8th grade | 94.3% | 86.2% | 84.3% |
| Completed high school | 93.5% | 84.7% | 83.0% |
| Completed some college | 75.3% | 61.8% | 59.4% |
| Completed associate degree | 49.4% | 40.7% | 38.5% |
| Completed bachelors | 41.4% | 32.9% | 30.3% |
| Completed masters | 16.1% | 12.7% | 11.5% |
| Completed professional degree | 2.4% | 3.4% | 3.3% |
| Completed doctorate | 0.9% | 1.2% | 1.3% |
There are a total of 10 public schools, n/a private schools and 1 post-secondary schools in Oswego. Using the proficiency score averages, the average test scores for Oswego, IL schools is 37%. The average student to teacher ratio is 28:1. In Oswego, IL, an average of 94.3% of students have completed 8th grade and an average of 93.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Naperville, IL | 147,734 | 65% | 35.1% |
| Glen Ellyn, IL | 27,741 | 59% | 23.0% |
| Lisle, IL | 23,363 | 56% | 16.7% |
| Wheaton, IL | 53,157 | 55% | 14.1% |
| Big Rock, IL | 1,271 | 55% | 13.5% |
| Oswego, IL | 35,470 | 37% | 23.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Richmond, IN | 35,467 | 32% | 34.4% |
| Wildwood, MO | 35,476 | 63% | 30.2% |
| Inver Grove Heights, MN | 35,492 | 54% | 12.4% |
| Gahanna, OH | 35,442 | 76% | 58.6% |
| Mount Vernon, WA | 35,502 | 49% | 1.1% |
| Oswego, IL | 35,470 | 37% | 23.2% |
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