| Index | Belvidere | Illinois | National |
| Average Test Scores | 23% | 33% | 48% |
| Student/Teacher ratio | 20:1 | 18:1 | 16:1 |
| Total public schools | 9 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Belvidere | Illinois | National |
| Completed 8th grade | 75.6% | 86.2% | 84.3% |
| Completed high school | 73.7% | 84.7% | 83.0% |
| Completed some college | 43.2% | 61.8% | 59.4% |
| Completed associate degree | 20.9% | 40.7% | 38.5% |
| Completed bachelors | 12.9% | 32.9% | 30.3% |
| Completed masters | 3.9% | 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 9 public schools, 2 private schools and n/a post-secondary schools in Belvidere. Using the proficiency score averages, the average test scores for Belvidere, IL schools is 23%. The average student to teacher ratio is 20:1. In Belvidere, IL, an average of 75.6% of students have completed 8th grade and an average of 73.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Roscoe, IL | 10,632 | 56% | 17.0% |
| Rockton, IL | 7,710 | 54% | 13.2% |
| Marengo, IL | 7,871 | 44% | 8.5% |
| Genoa, IL | 5,092 | 38% | 20.5% |
| Machesney Park, IL | 22,709 | 34% | 29.2% |
| Belvidere, IL | 24,932 | 23% | 51.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Wyandotte, MI | 24,944 | 53% | 9.5% |
| Paducah, KY | 24,947 | 54% | 12.6% |
| Ossining, NY | 24,966 | 51% | 6.5% |
| Elk River, MN | 24,894 | 62% | 28.8% |
| Athens, OH | 24,978 | 69% | 42.7% |
| Belvidere, IL | 24,932 | 23% | 51.9% |
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