| Index | Lexington | Ohio | National |
| Average Test Scores | 81% | 61% | 48% |
| Student/Teacher ratio | 18:1 | 17:1 | 16:1 |
| Total public schools | 5 | 3,650 | 79,221 |
| Total private schools | 1 | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |


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| Index | Lexington | Ohio | National |
| Completed 8th grade | 93.6% | 86.9% | 84.3% |
| Completed high school | 93.3% | 85.6% | 83.0% |
| Completed some college | 66.0% | 55.7% | 59.4% |
| Completed associate degree | 38.9% | 35.1% | 38.5% |
| Completed bachelors | 25.8% | 26.7% | 30.3% |
| Completed masters | 8.4% | 10.0% | 11.5% |
| Completed professional degree | 0.9% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 5 public schools, 1 private schools and n/a post-secondary schools in Lexington. Using the proficiency score averages, the average test scores for Lexington, OH schools is 81%. The average student to teacher ratio is 18:1. In Lexington, OH, an average of 93.6% of students have completed 8th grade and an average of 93.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fredericktown, OH | 2,600 | 76% | 58.7% |
| Butler, OH | 878 | 75% | 55.2% |
| Ontario, OH | 6,274 | 71% | 46.9% |
| Shelby, OH | 8,574 | 70% | 45.6% |
| Bellville, OH | 2,041 | 68% | 41.0% |
| Lexington, OH | 5,124 | 81% | 68.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Alexandria, IN | 5,125 | 38% | 20.8% |
| West Salem, WI | 5,126 | 51% | 6.6% |
| Post, TX | 5,122 | 33% | 31.0% |
| Midfield, AL | 5,127 | 16% | 66.0% |
| Perry, OK | 5,130 | 30% | 37.5% |
| Lexington, OH | 5,124 | 81% | 68.5% |