| Index | Gray Summit | Missouri | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Gray Summit | Missouri | National |
| Completed 8th grade | 80.2% | 86.0% | 84.3% |
| Completed high school | 79.5% | 84.2% | 83.0% |
| Completed some college | 54.9% | 57.7% | 59.4% |
| Completed associate degree | 32.5% | 35.2% | 38.5% |
| Completed bachelors | 18.9% | 27.6% | 30.3% |
| Completed masters | 3.0% | 10.4% | 11.5% |
| Completed professional degree | 0.4% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Gray Summit. Using the proficiency score averages, the average test scores for Gray Summit, MO schools is n/a. The average student to teacher ratio is n/a. In Gray Summit, MO, an average of 80.2% of students have completed 8th grade and an average of 79.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Weldon Spring, MO | 5,536 | 70% | 45.5% |
| Chesterfield, MO | 47,603 | 69% | 43.2% |
| Wildwood, MO | 35,476 | 63% | 30.2% |
| Ellisville, MO | 9,752 | 62% | 28.1% |
| Ballwin, MO | 30,177 | 61% | 28.0% |
| Gray Summit, MO | 2,383 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Commerce, OK | 2,384 | 27% | 44.8% |
| Royal City, WA | 2,384 | 39% | 19.0% |
| Mitchellville, IA | 2,382 | 94% | 94.8% |
| Liberty, PA | 2,381 | 49% | 1.7% |
| Kenly, NC | 2,385 | 36% | 25.0% |
| Gray Summit, MO | 2,383 | n/a |
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