| Index | Corsica | South Dakota | National |
| Average Test Scores | 60% | 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 | Corsica | South Dakota | National |
| Completed 8th grade | 84.0% | 89.1% | 84.3% |
| Completed high school | 69.5% | 86.8% | 83.0% |
| Completed some college | 46.5% | 60.4% | 59.4% |
| Completed associate degree | 28.7% | 38.5% | 38.5% |
| Completed bachelors | 18.2% | 27.5% | 30.3% |
| Completed masters | 4.6% | 8.1% | 11.5% |
| Completed professional degree | 0.9% | 2.5% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Corsica. Using the proficiency score averages, the average test scores for Corsica, SD schools is 60%. The average student to teacher ratio is n/a. In Corsica, SD, an average of 84.0% of students have completed 8th grade and an average of 69.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stickney, SD | 275 | 70% | 44.8% |
| Armour, SD | 678 | 52% | 7.6% |
| Delmont, SD | 205 | 50% | 4.2% |
| Corsica, SD | 745 | 60% | 25.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Holland, IN | 745 | 75% | 55.2% |
| Walnut Grove, MN | 744 | 60% | 24.0% |
| Ash Fork, AZ | 746 | 59% | 21.9% |
| Alex, OK | 744 | 47% | 1.6% |
| Green Valley, IL | 744 | 25% | 49.0% |
| Corsica, SD | 745 | 60% | 25.0% |