| Index | Nisland | 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 | Nisland | South Dakota | National |
| Completed 8th grade | 80.5% | 89.1% | 84.3% |
| Completed high school | 80.5% | 86.8% | 83.0% |
| Completed some college | 44.9% | 60.4% | 59.4% |
| Completed associate degree | 13.7% | 38.5% | 38.5% |
| Completed bachelors | 9.8% | 27.5% | 30.3% |
| Completed masters | 1.5% | 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 Nisland. Using the proficiency score averages, the average test scores for Nisland, SD schools is n/a. The average student to teacher ratio is n/a. In Nisland, SD, an average of 80.5% of students have completed 8th grade and an average of 80.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Whitewood, SD | 986 | 60% | 25.0% |
| Spearfish, SD | 11,702 | 51% | 6.9% |
| Belle Fourche, SD | 5,628 | 45% | 6.5% |
| Newell, SD | 784 | 26% | 46.5% |
| Nisland, SD | 209 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Glendo, WY | 209 | 50% | 4.2% |
| Valley Home, CA | 209 | 32% | 33.3% |
| Allakaket, AK | 209 | 50% | 4.2% |
| Casstown, OH | 209 | 83% | 72.6% |
| Kaltag, AK | 209 | 50% | 4.2% |
| Nisland, SD | 209 | n/a |
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