| Index | Ashton | South Dakota | National |
| Average Test Scores | n/a | 48% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Ashton | South Dakota | National |
| Completed 8th grade | 79.5% | 89.1% | 84.3% |
| Completed high school | 79.5% | 86.8% | 83.0% |
| Completed some college | 44.9% | 60.4% | 59.4% |
| Completed associate degree | 23.1% | 38.5% | 38.5% |
| Completed bachelors | 15.4% | 27.5% | 30.3% |
| Completed masters | 0.0% | 8.1% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 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 Ashton. Using the proficiency score averages, the average test scores for Ashton, SD schools is n/a. The average student to teacher ratio is n/a. In Ashton, SD, an average of 79.5% of students have completed 8th grade and an average of 79.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mellette, SD | 191 | 50% | 4.2% |
| Frankfort, SD | 139 | 42% | 13.2% |
| Redfield, SD | 2,496 | 34% | 29.5% |
| Ashton, SD | 91 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Moffett, OK | 91 | 45% | 7.3% |
| Floyd, NM | 91 | 29% | 39.6% |
| King and Queen Court House, VA | 90 | 77% | 60.4% |
| Panola, OK | 90 | 38% | 21.9% |
| Solen, ND | 90 | 10% | 79.2% |
| Ashton, SD | 91 | n/a |
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