| Index | Northfield | Ohio | National |
| Average Test Scores | 84% | 61% | 48% |
| Student/Teacher ratio | 20:1 | 17:1 | 16:1 |
| Total public schools | 4 | 3,650 | 79,221 |
| Total private schools | 2 | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Northfield | Ohio | National |
| Completed 8th grade | 92.0% | 86.9% | 84.3% |
| Completed high school | 91.7% | 85.6% | 83.0% |
| Completed some college | 43.3% | 55.7% | 59.4% |
| Completed associate degree | 22.3% | 35.1% | 38.5% |
| Completed bachelors | 14.8% | 26.7% | 30.3% |
| Completed masters | 3.5% | 10.0% | 11.5% |
| Completed professional degree | 1.7% | 2.7% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of 4 public schools, 2 private schools and n/a post-secondary schools in Northfield. Using the proficiency score averages, the average test scores for Northfield, OH schools is 84%. The average student to teacher ratio is 20:1. In Northfield, OH, an average of 92.0% of students have completed 8th grade and an average of 91.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Solon, OH | 22,858 | 95% | 97.9% |
| Brecksville, OH | 13,521 | 92% | 90.9% |
| Chagrin Falls, OH | 3,935 | 91% | 89.7% |
| Broadview Heights, OH | 19,195 | 90% | 86.5% |
| Hudson, OH | 22,249 | 89% | 85.7% |
| Northfield, OH | 3,667 | 84% | 74.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Ocilla, GA | 3,668 | 36% | 25.7% |
| Sweeny, TX | 3,666 | 44% | 9.4% |
| Sidney, NY | 3,668 | 54% | 12.8% |
| Inman, SC | 3,665 | 57% | 19.2% |
| Chandler, IN | 3,669 | 64% | 33.3% |
| Northfield, OH | 3,667 | 84% | 74.7% |
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