| 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 |
| 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 | 2,510 | 76% | 58.7% |
| Butler, OH | 858 | 75% | 55.2% |
| Ontario, OH | 6,094 | 71% | 46.9% |
| Shelby, OH | 8,282 | 70% | 45.6% |
| Bellville, OH | 1,999 | 68% | 41.0% |
| Lexington, OH | 4,937 | 81% | 68.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Platte City, MO | 4,938 | 60% | 25.3% |
| Clementon, NJ | 4,939 | 51% | 5.2% |
| Bridgeville, PA | 4,939 | 65% | 34.9% |
| Vancleave, MS | 4,934 | 57% | 17.7% |
| Coal City, IL | 4,941 | 49% | 1.3% |
| Lexington, OH | 4,937 | 81% | 68.5% |
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