| Index | Lewisville | Texas | National |
| Average Test Scores | 40% | 47% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 35 | 7,418 | 79,221 |
| Total private schools | 3 | 1,267 | 24,874 |
| Total post-secondary schools | 2 | 463 | 7,963 |
| Index | Lewisville | Texas | National |
| Completed 8th grade | 84.7% | 79.3% | 84.3% |
| Completed high school | 83.5% | 77.8% | 83.0% |
| Completed some college | 64.4% | 57.3% | 59.4% |
| Completed associate degree | 40.1% | 34.9% | 38.5% |
| Completed bachelors | 32.1% | 28.1% | 30.3% |
| Completed masters | 8.8% | 9.6% | 11.5% |
| Completed professional degree | 1.4% | 2.6% | 3.3% |
| Completed doctorate | 0.7% | 1.1% | 1.3% |
There are a total of 35 public schools, 3 private schools and 2 post-secondary schools in Lewisville. Using the proficiency score averages, the average test scores for Lewisville, TX schools is 40%. The average student to teacher ratio is 17:1. In Lewisville, TX, an average of 84.7% of students have completed 8th grade and an average of 83.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Southlake, TX | 31,684 | 87% | 80.7% |
| Westlake, TX | 1,511 | 85% | 77.1% |
| Trophy Club, TX | 11,904 | 75% | 55.2% |
| Hickory Creek, TX | 4,716 | 74% | 54.2% |
| Flower Mound, TX | 78,854 | 73% | 52.8% |
| Lewisville, TX | 107,740 | 40% | 15.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Meridian, ID | 107,787 | 59% | 23.3% |
| Waterbury, CT | 107,841 | 29% | 38.8% |
| Hillsboro, OR | 108,026 | 45% | 6.4% |
| Greeley, CO | 107,445 | 28% | 41.1% |
| Sandy Springs, GA | 108,180 | 30% | 37.5% |
| Lewisville, TX | 107,740 | 40% | 15.7% |
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