| Index | Lexington | Missouri | National |
| Average Test Scores | 33% | 44% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 5 | 1,899 | 79,221 |
| Total private schools | 1 | 531 | 24,874 |
| Total post-secondary schools | 2 | 213 | 7,963 |
| Index | Lexington | Missouri | National |
| Completed 8th grade | 77.8% | 86.0% | 84.3% |
| Completed high school | 77.0% | 84.2% | 83.0% |
| Completed some college | 51.9% | 57.7% | 59.4% |
| Completed associate degree | 28.2% | 35.2% | 38.5% |
| Completed bachelors | 20.8% | 27.6% | 30.3% |
| Completed masters | 6.3% | 10.4% | 11.5% |
| Completed professional degree | 2.8% | 2.8% | 3.3% |
| Completed doctorate | 2.5% | 1.2% | 1.3% |
There are a total of 5 public schools, 1 private schools and 2 post-secondary schools in Lexington. Using the proficiency score averages, the average test scores for Lexington, MO schools is 33%. The average student to teacher ratio is 15:1. In Lexington, MO, an average of 77.8% of students have completed 8th grade and an average of 77.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oak Grove, MO | 8,278 | 49% | 2.8% |
| Odessa, MO | 5,240 | 46% | 4.2% |
| Richmond, MO | 5,622 | 46% | 5.2% |
| Hardin, MO | 655 | 45% | 6.8% |
| Wellington, MO | 632 | 42% | 12.5% |
| Lexington, MO | 4,540 | 33% | 31.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Dardanelle, AR | 4,541 | 52% | 8.3% |
| Creedmoor, NC | 4,539 | 49% | 2.4% |
| South Bound Brook, NJ | 4,541 | 49% | 2.1% |
| Scott City, MO | 4,538 | 40% | 17.4% |
| Negaunee, MI | 4,537 | 50% | 4.5% |
| Lexington, MO | 4,540 | 33% | 31.6% |
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