| Index | Winnebago | Illinois | National |
| Average Test Scores | 35% | 33% | 48% |
| Student/Teacher ratio | 19:1 | 18:1 | 16:1 |
| Total public schools | 4 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Winnebago | Illinois | National |
| Completed 8th grade | 94.0% | 86.2% | 84.3% |
| Completed high school | 93.8% | 84.7% | 83.0% |
| Completed some college | 65.1% | 61.8% | 59.4% |
| Completed associate degree | 40.9% | 40.7% | 38.5% |
| Completed bachelors | 26.4% | 32.9% | 30.3% |
| Completed masters | 9.4% | 12.7% | 11.5% |
| Completed professional degree | 0.9% | 3.4% | 3.3% |
| Completed doctorate | 0.7% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Winnebago. Using the proficiency score averages, the average test scores for Winnebago, IL schools is 35%. The average student to teacher ratio is 19:1. In Winnebago, IL, an average of 94.0% of students have completed 8th grade and an average of 93.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pecatonica, IL | 1,957 | 57% | 19.4% |
| Roscoe, IL | 10,632 | 56% | 17.0% |
| Byron, IL | 3,607 | 55% | 14.6% |
| Rockton, IL | 7,710 | 54% | 13.2% |
| Dakota, IL | 721 | 43% | 11.5% |
| Winnebago, IL | 3,539 | 35% | 27.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Marienville, PA | 3,538 | 53% | 9.4% |
| Northern Cambria, PA | 3,538 | 54% | 12.5% |
| Prestonsburg, KY | 3,537 | 39% | 19.4% |
| Oxford, MI | 3,542 | 51% | 6.2% |
| Durham, CT | 3,542 | 63% | 31.6% |
| Winnebago, IL | 3,539 | 35% | 27.1% |
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