| Index | Kaskaskia | Illinois | National |
| Average Test Scores | n/a | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Kaskaskia | Illinois | National |
| Completed 8th grade | 60.0% | 86.2% | 84.3% |
| Completed high school | 40.0% | 84.7% | 83.0% |
| Completed some college | 13.3% | 61.8% | 59.4% |
| Completed associate degree | 0.0% | 40.7% | 38.5% |
| Completed bachelors | 0.0% | 32.9% | 30.3% |
| Completed masters | 0.0% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 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 Kaskaskia. Using the proficiency score averages, the average test scores for Kaskaskia, IL schools is n/a. The average student to teacher ratio is n/a. In Kaskaskia, IL, an average of 60.0% of students have completed 8th grade and an average of 40.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ste. Genevieve, MO | 4,396 | 59% | 22.2% |
| Perryville, MO | 8,500 | 41% | 14.2% |
| Evansville, IL | 760 | 40% | 17.7% |
| Steeleville, IL | 1,870 | 32% | 32.8% |
| Chester, IL | 8,264 | 27% | 43.2% |
| Kaskaskia, IL | 29 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mosquero, NM | 29 | 50% | 4.2% |
| Gerlach, NV | 28 | 50% | 4.2% |
| Creston, CA | 31 | 50% | 4.2% |
| Raymond, SD | 31 | 50% | 4.2% |
| Forbes, ND | 31 | 20% | 58.3% |
| Kaskaskia, IL | 29 | n/a |
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