| Index | Flandreau | South Dakota | National |
| Average Test Scores | 37% | 48% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 4 | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Flandreau | South Dakota | National |
| Completed 8th grade | 82.9% | 89.1% | 84.3% |
| Completed high school | 79.0% | 86.8% | 83.0% |
| Completed some college | 54.1% | 60.4% | 59.4% |
| Completed associate degree | 31.6% | 38.5% | 38.5% |
| Completed bachelors | 24.4% | 27.5% | 30.3% |
| Completed masters | 6.2% | 8.1% | 11.5% |
| Completed professional degree | 0.5% | 2.5% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Flandreau. Using the proficiency score averages, the average test scores for Flandreau, SD schools is 37%. The average student to teacher ratio is 11:1. In Flandreau, SD, an average of 82.9% of students have completed 8th grade and an average of 79.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pipestone, MN | 4,205 | 49% | 2.1% |
| Colman, SD | 707 | 44% | 8.3% |
| Elkton, SD | 835 | 39% | 19.8% |
| Flandreau, SD | 2,522 | 37% | 22.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Henagar, AL | 2,524 | 40% | 17.7% |
| New London, IA | 2,520 | 61% | 26.6% |
| Willamina, OR | 2,520 | 23% | 52.1% |
| Lennox, SD | 2,519 | 58% | 20.1% |
| Lawson, MO | 2,519 | 55% | 14.9% |
| Flandreau, SD | 2,522 | 37% | 22.1% |
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