| Index | Fort Thompson | 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 | Fort Thompson | South Dakota | National |
| Completed 8th grade | 68.2% | 89.1% | 84.3% |
| Completed high school | 65.8% | 86.8% | 83.0% |
| Completed some college | 34.3% | 60.4% | 59.4% |
| Completed associate degree | 12.9% | 38.5% | 38.5% |
| Completed bachelors | 4.6% | 27.5% | 30.3% |
| Completed masters | 1.7% | 8.1% | 11.5% |
| Completed professional degree | 1.0% | 2.5% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Fort Thompson. Using the proficiency score averages, the average test scores for Fort Thompson, SD schools is n/a. The average student to teacher ratio is n/a. In Fort Thompson, SD, an average of 68.2% of students have completed 8th grade and an average of 65.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lower Brule, SD | 1,002 | 7% | 86.5% |
| Fort Thompson, SD | 1,300 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Martinsville, IL | 1,300 | 16% | 66.7% |
| Clay City, IN | 1,300 | 47% | 1.6% |
| Union Springs, NY | 1,300 | 70% | 45.5% |
| Beaverton, MI | 1,301 | 33% | 30.7% |
| Mansfield, MO | 1,301 | 56% | 16.3% |
| Fort Thompson, SD | 1,300 | n/a |