| Index | Lexington | South Carolina | National |
| Average Test Scores | 63% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 16:1 | 16:1 |
| Total public schools | 12 | 932 | 79,221 |
| Total private schools | 3 | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Lexington | South Carolina | National |
| Completed 8th grade | 89.1% | 83.0% | 84.3% |
| Completed high school | 88.3% | 81.6% | 83.0% |
| Completed some college | 70.0% | 56.6% | 59.4% |
| Completed associate degree | 49.5% | 35.6% | 38.5% |
| Completed bachelors | 41.4% | 26.5% | 30.3% |
| Completed masters | 16.4% | 9.6% | 11.5% |
| Completed professional degree | 4.3% | 2.5% | 3.3% |
| Completed doctorate | 2.0% | 1.1% | 1.3% |
There are a total of 12 public schools, 3 private schools and n/a post-secondary schools in Lexington. Using the proficiency score averages, the average test scores for Lexington, SC schools is 63%. The average student to teacher ratio is 15:1. In Lexington, SC, an average of 89.1% of students have completed 8th grade and an average of 88.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chapin, SC | 1,698 | 71% | 47.5% |
| Blythewood, SC | 3,646 | 63% | 30.6% |
| Little Mountain, SC | 340 | 61% | 27.1% |
| Irmo, SC | 12,397 | 59% | 22.6% |
| Gilbert, SC | 650 | 49% | 1.0% |
| Lexington, SC | 21,847 | 63% | 30.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Rose Hill, VA | 21,846 | 85% | 76.0% |
| Darien, IL | 21,843 | 48% | 0.2% |
| Geneva, IL | 21,843 | 49% | 1.6% |
| Shelbyville, TN | 21,841 | 25% | 47.8% |
| Sunny Isles Beach, FL | 21,853 | 79% | 63.5% |
| Lexington, SC | 21,847 | 63% | 30.9% |
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