| Index | Wellston | Missouri | National |
| Average Test Scores | 11% | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | 1 | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Wellston | Missouri | National |
| Completed 8th grade | 77.6% | 86.0% | 84.3% |
| Completed high school | 73.3% | 84.2% | 83.0% |
| Completed some college | 39.5% | 57.7% | 59.4% |
| Completed associate degree | 12.3% | 35.2% | 38.5% |
| Completed bachelors | 6.0% | 27.6% | 30.3% |
| Completed masters | 2.1% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, 1 private schools and n/a post-secondary schools in Wellston. Using the proficiency score averages, the average test scores for Wellston, MO schools is 11%. The average student to teacher ratio is n/a. In Wellston, MO, an average of 77.6% of students have completed 8th grade and an average of 73.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, MO | 16,763 | 73% | 52.7% |
| Brentwood, MO | 7,986 | 70% | 45.6% |
| Olivette, MO | 7,837 | 70% | 44.8% |
| Kirkwood, MO | 27,772 | 69% | 43.1% |
| Webster Groves, MO | 22,906 | 64% | 32.8% |
| Wellston, MO | 1,891 | 11% | 77.1% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Francisville, LA | 1,891 | 80% | 66.7% |
| Bertram, TX | 1,890 | 40% | 17.7% |
| Lancaster, NH | 1,892 | 40% | 17.7% |
| Mayville, ND | 1,892 | 51% | 6.9% |
| Granger, IA | 1,890 | 87% | 81.3% |
| Wellston, MO | 1,891 | 11% | 77.1% |
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