| Index | Ellisville | Missouri | National |
| Average Test Scores | 62% | 44% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 4 | 1,899 | 79,221 |
| Total private schools | 2 | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Ellisville | Missouri | National |
| Completed 8th grade | 92.5% | 86.0% | 84.3% |
| Completed high school | 91.2% | 84.2% | 83.0% |
| Completed some college | 72.6% | 57.7% | 59.4% |
| Completed associate degree | 54.0% | 35.2% | 38.5% |
| Completed bachelors | 46.6% | 27.6% | 30.3% |
| Completed masters | 15.5% | 10.4% | 11.5% |
| Completed professional degree | 3.6% | 2.8% | 3.3% |
| Completed doctorate | 1.5% | 1.2% | 1.3% |
There are a total of 4 public schools, 2 private schools and n/a post-secondary schools in Ellisville. Using the proficiency score averages, the average test scores for Ellisville, MO schools is 62%. The average student to teacher ratio is 17:1. In Ellisville, MO, an average of 92.5% of students have completed 8th grade and an average of 91.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, MO | 16,763 | 73% | 52.7% |
| Dardenne Prairie, MO | 13,385 | 73% | 51.0% |
| Lake St. Louis, MO | 16,357 | 71% | 48.4% |
| Brentwood, MO | 7,986 | 70% | 45.6% |
| Weldon Spring, MO | 5,536 | 70% | 45.5% |
| Ellisville, MO | 9,752 | 62% | 28.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Sparta, WI | 9,751 | 38% | 21.1% |
| Oil City, PA | 9,750 | 53% | 9.8% |
| Eunice, LA | 9,754 | 73% | 51.9% |
| Sugar Grove, IL | 9,756 | 39% | 18.2% |
| New Hyde Park, NY | 9,746 | 82% | 70.8% |
| Ellisville, MO | 9,752 | 62% | 28.1% |
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