| Index | Sappington | Missouri | National |
| Average Test Scores | 60% | 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 | Sappington | Missouri | National |
| Completed 8th grade | 93.1% | 86.0% | 84.3% |
| Completed high school | 91.8% | 84.2% | 83.0% |
| Completed some college | 67.4% | 57.7% | 59.4% |
| Completed associate degree | 42.7% | 35.2% | 38.5% |
| Completed bachelors | 33.6% | 27.6% | 30.3% |
| Completed masters | 12.9% | 10.4% | 11.5% |
| Completed professional degree | 1.9% | 2.8% | 3.3% |
| Completed doctorate | 0.9% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Sappington. Using the proficiency score averages, the average test scores for Sappington, MO schools is 60%. The average student to teacher ratio is n/a. In Sappington, MO, an average of 93.1% of students have completed 8th grade and an average of 91.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, MO | 17,205 | 73% | 52.7% |
| Brentwood, MO | 8,283 | 70% | 45.6% |
| Olivette, MO | 8,079 | 70% | 44.8% |
| Chesterfield, MO | 48,902 | 69% | 43.2% |
| Kirkwood, MO | 28,511 | 69% | 43.1% |
| Sappington, MO | 7,356 | 60% | 24.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Putnam, CT | 7,358 | 43% | 10.4% |
| Umatilla, OR | 7,361 | 27% | 44.4% |
| Seward, NE | 7,363 | 71% | 47.6% |
| Seminole, OK | 7,348 | 27% | 43.0% |
| Gridley, CA | 7,347 | 43% | 10.2% |
| Sappington, MO | 7,356 | 60% | 24.3% |