| Index | Estelline | South Dakota | National |
| Average Test Scores | 51% | 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 | Estelline | South Dakota | National |
| Completed 8th grade | 88.8% | 89.1% | 84.3% |
| Completed high school | 84.0% | 86.8% | 83.0% |
| Completed some college | 45.3% | 60.4% | 59.4% |
| Completed associate degree | 21.6% | 38.5% | 38.5% |
| Completed bachelors | 15.5% | 27.5% | 30.3% |
| Completed masters | 2.6% | 8.1% | 11.5% |
| Completed professional degree | 0.2% | 2.5% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Estelline. Using the proficiency score averages, the average test scores for Estelline, SD schools is 51%. The average student to teacher ratio is n/a. In Estelline, SD, an average of 88.8% of students have completed 8th grade and an average of 84.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hayti, SD | 391 | 64% | 32.6% |
| Toronto, SD | 267 | 62% | 29.2% |
| Arlington, SD | 1,007 | 57% | 19.5% |
| Castlewood, SD | 582 | 57% | 18.2% |
| White, SD | 518 | 52% | 7.8% |
| Estelline, SD | 858 | 51% | 5.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Butler, OH | 858 | 75% | 55.2% |
| Wellston, OK | 858 | 38% | 20.8% |
| East Bernstadt, KY | 858 | 69% | 42.7% |
| Sedan, KS | 858 | 25% | 49.0% |
| Lecompton, KS | 857 | 37% | 22.9% |
| Estelline, SD | 858 | 51% | 5.6% |
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