| 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 | 3,935 | 91% | 89.7% |
| Pepper Pike, OH | 6,319 | 88% | 83.0% |
| Chardon, OH | 5,168 | 87% | 82.0% |
| Cuyahoga Heights, OH | 606 | 86% | 79.9% |
| Beachwood, OH | 11,627 | 86% | 79.5% |
| Willoughby, OH | 22,904 | 69% | 43.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Webster Groves, MO | 22,906 | 64% | 32.8% |
| Derry, NH | 22,891 | 52% | 8.3% |
| Marshall, TX | 22,881 | 39% | 18.0% |
| Dickinson, ND | 22,880 | 48% | 0.4% |
| Oakdale, CA | 22,932 | 43% | 10.8% |
| Willoughby, OH | 22,904 | 69% | 43.8% |
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