| Index | Hosmer | 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 | Hosmer | South Dakota | National |
| Completed 8th grade | 86.0% | 89.1% | 84.3% |
| Completed high school | 75.4% | 86.8% | 83.0% |
| Completed some college | 42.7% | 60.4% | 59.4% |
| Completed associate degree | 22.8% | 38.5% | 38.5% |
| Completed bachelors | 10.5% | 27.5% | 30.3% |
| Completed masters | 2.3% | 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 Hosmer. Using the proficiency score averages, the average test scores for Hosmer, SD schools is n/a. The average student to teacher ratio is n/a. In Hosmer, SD, an average of 86.0% of students have completed 8th grade and an average of 75.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Roscoe, SD | 344 | 47% | 2.8% |
| Bowdle, SD | 381 | 47% | 2.8% |
| Eureka, SD | 992 | 45% | 6.3% |
| Hosmer, SD | 227 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Calvin, LA | 227 | 67% | 39.6% |
| Carney, MI | 227 | 32% | 33.3% |
| Mallard, IA | 227 | 92% | 91.7% |
| Cordova, SC | 227 | 39% | 19.8% |
| Springview, NE | 227 | 35% | 27.1% |
| Hosmer, SD | 227 | n/a |
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