| Index | Willoughby | Ohio | National |
| Average Test Scores | 69% | 61% | 48% |
| Student/Teacher ratio | 17:1 | 17:1 | 16:1 |
| Total public schools | 7 | 3,650 | 79,221 |
| Total private schools | 4 | 1,000 | 24,874 |
| Total post-secondary schools | 1 | 393 | 7,963 |
| Index | Willoughby | Ohio | National |
| Completed 8th grade | 90.8% | 86.9% | 84.3% |
| Completed high school | 90.1% | 85.6% | 83.0% |
| Completed some college | 63.0% | 55.7% | 59.4% |
| Completed associate degree | 40.3% | 35.1% | 38.5% |
| Completed bachelors | 30.7% | 26.7% | 30.3% |
| Completed masters | 9.5% | 10.0% | 11.5% |
| Completed professional degree | 2.2% | 2.7% | 3.3% |
| Completed doctorate | 0.6% | 1.1% | 1.3% |
There are a total of 7 public schools, 4 private schools and 1 post-secondary schools in Willoughby. Using the proficiency score averages, the average test scores for Willoughby, OH schools is 69%. The average student to teacher ratio is 17:1. In Willoughby, OH, an average of 90.8% of students have completed 8th grade and an average of 90.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chagrin Falls, OH | 4,041 | 91% | 89.7% |
| Pepper Pike, OH | 6,453 | 88% | 83.0% |
| Chardon, OH | 5,347 | 87% | 82.0% |
| Cuyahoga Heights, OH | 620 | 86% | 79.9% |
| Beachwood, OH | 11,941 | 86% | 79.5% |
| Willoughby, OH | 23,699 | 69% | 43.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Blue Island, IL | 23,702 | 22% | 54.5% |
| Landover, MD | 23,705 | 25% | 48.8% |
| Kingston, NY | 23,708 | 37% | 22.2% |
| Laguna Beach, CA | 23,724 | 80% | 67.2% |
| Radcliff, KY | 23,674 | 33% | 31.9% |
| Willoughby, OH | 23,699 | 69% | 43.8% |
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