| Index | Hermosa | South Dakota | National |
| Average Test Scores | 25% | 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 | Hermosa | South Dakota | National |
| Completed 8th grade | 88.1% | 89.1% | 84.3% |
| Completed high school | 88.1% | 86.8% | 83.0% |
| Completed some college | 50.0% | 60.4% | 59.4% |
| Completed associate degree | 22.5% | 38.5% | 38.5% |
| Completed bachelors | 14.2% | 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 Hermosa. Using the proficiency score averages, the average test scores for Hermosa, SD schools is 25%. The average student to teacher ratio is n/a. In Hermosa, SD, an average of 88.1% of students have completed 8th grade and an average of 88.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hermosa, SD | 424 | 25% | 48.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Hurley, SD | 424 | 35% | 28.1% |
| Mayetta, KS | 424 | 37% | 22.9% |
| Green Lane, PA | 424 | 70% | 45.8% |
| Ione, OR | 424 | 42% | 12.5% |
| Deary, ID | 424 | 56% | 17.2% |
| Hermosa, SD | 424 | 25% | 48.4% |