| Index | Mayfield | Kentucky | National |
| Average Test Scores | 53% | 48% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 11 | 1,157 | 79,221 |
| Total private schools | 3 | 298 | 24,874 |
| Total post-secondary schools | 1 | 130 | 7,963 |
| Index | Mayfield | Kentucky | National |
| Completed 8th grade | 67.7% | 81.0% | 84.3% |
| Completed high school | 65.1% | 77.8% | 83.0% |
| Completed some college | 36.5% | 51.3% | 59.4% |
| Completed associate degree | 17.6% | 30.5% | 38.5% |
| Completed bachelors | 13.9% | 22.7% | 30.3% |
| Completed masters | 6.4% | 9.3% | 11.5% |
| Completed professional degree | 1.2% | 2.6% | 3.3% |
| Completed doctorate | 0.3% | 0.9% | 1.3% |
There are a total of 11 public schools, 3 private schools and 1 post-secondary schools in Mayfield. Using the proficiency score averages, the average test scores for Mayfield, KY schools is 53%. The average student to teacher ratio is 17:1. In Mayfield, KY, an average of 67.7% of students have completed 8th grade and an average of 65.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fancy Farm, KY | 515 | 70% | 44.8% |
| Symsonia, KY | 529 | 70% | 44.8% |
| Wingo, KY | 724 | 63% | 30.2% |
| Hickory, KY | 256 | 60% | 24.0% |
| Mayfield, KY | 9,823 | 53% | 10.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Carroll, IA | 9,823 | 73% | 51.7% |
| Star, ID | 9,819 | 61% | 26.6% |
| St. Augustine Shores, FL | 9,818 | 76% | 57.3% |
| Cody, WY | 9,810 | 58% | 21.7% |
| East Rockaway, NY | 9,810 | 58% | 20.8% |
| Mayfield, KY | 9,823 | 53% | 10.0% |
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