| Index | Roslyn | 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 | Roslyn | South Dakota | National |
| Completed 8th grade | 88.3% | 89.1% | 84.3% |
| Completed high school | 79.3% | 86.8% | 83.0% |
| Completed some college | 39.3% | 60.4% | 59.4% |
| Completed associate degree | 25.5% | 38.5% | 38.5% |
| Completed bachelors | 15.9% | 27.5% | 30.3% |
| Completed masters | 0.7% | 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 Roslyn. Using the proficiency score averages, the average test scores for Roslyn, SD schools is n/a. The average student to teacher ratio is n/a. In Roslyn, SD, an average of 88.3% of students have completed 8th grade and an average of 79.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Webster, SD | 1,681 | 65% | 34.7% |
| Waubay, SD | 530 | 36% | 24.5% |
| Roslyn, SD | 221 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| South Salem, OH | 221 | 70% | 44.8% |
| Okreek, SD | 221 | 20% | 58.3% |
| Jeddito, AZ | 221 | 10% | 79.2% |
| Coffman Cove, AK | 220 | 50% | 4.2% |
| Holcombe, WI | 222 | 31% | 35.4% |
| Roslyn, SD | 221 | n/a |
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