| Index | Lewisville | Washington | National |
| Average Test Scores | n/a | 54% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Lewisville | Washington | National |
| Completed 8th grade | 92.2% | 87.5% | 84.3% |
| Completed high school | 91.7% | 86.6% | 83.0% |
| Completed some college | 55.7% | 67.7% | 59.4% |
| Completed associate degree | 34.8% | 43.3% | 38.5% |
| Completed bachelors | 18.6% | 33.6% | 30.3% |
| Completed masters | 5.2% | 12.3% | 11.5% |
| Completed professional degree | 2.8% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lewisville. Using the proficiency score averages, the average test scores for Lewisville, WA schools is n/a. The average student to teacher ratio is n/a. In Lewisville, WA, an average of 92.2% of students have completed 8th grade and an average of 91.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Camas, WA | 24,043 | 72% | 49.6% |
| Ridgefield, WA | 8,751 | 68% | 41.5% |
| Yacolt, WA | 1,686 | 57% | 18.8% |
| La Center, WA | 3,338 | 57% | 18.2% |
| Brush Prairie, WA | 2,721 | 56% | 16.3% |
| Lewisville, WA | 2,166 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Rockwell City, IA | 2,166 | 71% | 48.4% |
| Sparta, MO | 2,167 | 49% | 1.4% |
| Carnation, WA | 2,165 | 63% | 30.6% |
| Ogdensburg, NJ | 2,164 | 45% | 7.3% |
| New Carlisle, IN | 2,169 | 60% | 24.0% |
| Lewisville, WA | 2,166 | n/a |
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