| Index | Fairfield | Ohio | National |
| Average Test Scores | 63% | 61% | 48% |
| Student/Teacher ratio | 21:1 | 17:1 | 16:1 |
| Total public schools | 8 | 3,650 | 79,221 |
| Total private schools | 4 | 1,000 | 24,874 |
| Total post-secondary schools | 1 | 393 | 7,963 |
| Index | Fairfield | Ohio | National |
| Completed 8th grade | 88.3% | 86.9% | 84.3% |
| Completed high school | 87.5% | 85.6% | 83.0% |
| Completed some college | 57.2% | 55.7% | 59.4% |
| Completed associate degree | 37.3% | 35.1% | 38.5% |
| Completed bachelors | 28.2% | 26.7% | 30.3% |
| Completed masters | 10.1% | 10.0% | 11.5% |
| Completed professional degree | 1.5% | 2.7% | 3.3% |
| Completed doctorate | 1.1% | 1.1% | 1.3% |
There are a total of 8 public schools, 4 private schools and 1 post-secondary schools in Fairfield. Using the proficiency score averages, the average test scores for Fairfield, OH schools is 63%. The average student to teacher ratio is 21:1. In Fairfield, OH, an average of 88.3% of students have completed 8th grade and an average of 87.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Terrace Park, OH | 2,254 | 95% | 97.9% |
| Madeira, OH | 9,211 | 94% | 94.8% |
| Wyoming, OH | 8,540 | 92% | 91.9% |
| Mason, OH | 33,592 | 87% | 81.8% |
| Loveland, OH | 13,911 | 84% | 74.1% |
| Fairfield, OH | 42,623 | 63% | 30.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Farmers Branch, TX | 42,659 | 45% | 7.3% |
| Jefferson City, MO | 42,670 | 44% | 8.1% |
| Mankato, MN | 42,685 | 52% | 8.6% |
| Rohnert Park, CA | 42,559 | 45% | 6.7% |
| Brentwood, TN | 42,700 | 75% | 56.8% |
| Fairfield, OH | 42,623 | 63% | 30.6% |
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