| Index | Middlefield | Ohio | National |
| Average Test Scores | 63% | 61% | 48% |
| Student/Teacher ratio | 17:1 | 17:1 | 16:1 |
| Total public schools | 4 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Middlefield | Ohio | National |
| Completed 8th grade | 87.2% | 86.9% | 84.3% |
| Completed high school | 84.4% | 85.6% | 83.0% |
| Completed some college | 51.5% | 55.7% | 59.4% |
| Completed associate degree | 28.8% | 35.1% | 38.5% |
| Completed bachelors | 21.2% | 26.7% | 30.3% |
| Completed masters | 4.2% | 10.0% | 11.5% |
| Completed professional degree | 1.5% | 2.7% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Middlefield. Using the proficiency score averages, the average test scores for Middlefield, OH schools is 63%. The average student to teacher ratio is 17:1. In Middlefield, OH, an average of 87.2% of students have completed 8th grade and an average of 84.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chardon, OH | 5,168 | 87% | 82.0% |
| Aurora, OH | 16,165 | 87% | 80.9% |
| Chesterland, OH | 7,415 | 85% | 77.1% |
| Kirtland, OH | 6,801 | 83% | 73.6% |
| Burton, OH | 1,443 | 71% | 47.9% |
| Middlefield, OH | 2,698 | 63% | 30.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Wilson's Mills, NC | 2,698 | 23% | 53.1% |
| Bonifay, FL | 2,697 | 41% | 14.2% |
| Three Rivers, CA | 2,699 | 50% | 3.1% |
| Stanley, ND | 2,697 | 31% | 34.9% |
| Clinton, NJ | 2,699 | 67% | 39.1% |
| Middlefield, OH | 2,698 | 63% | 30.6% |
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