| Index | Millstadt | Illinois | National |
| Average Test Scores | 54% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 1 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Millstadt | Illinois | National |
| Completed 8th grade | 89.8% | 86.2% | 84.3% |
| Completed high school | 87.8% | 84.7% | 83.0% |
| Completed some college | 63.8% | 61.8% | 59.4% |
| Completed associate degree | 33.8% | 40.7% | 38.5% |
| Completed bachelors | 25.9% | 32.9% | 30.3% |
| Completed masters | 9.8% | 12.7% | 11.5% |
| Completed professional degree | 1.2% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Millstadt. Using the proficiency score averages, the average test scores for Millstadt, IL schools is 54%. The average student to teacher ratio is 16:1. In Millstadt, IL, an average of 89.8% of students have completed 8th grade and an average of 87.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, MO | 16,763 | 73% | 52.7% |
| Brentwood, MO | 7,986 | 70% | 45.6% |
| Webster Groves, MO | 22,906 | 64% | 32.8% |
| Smithton, IL | 4,019 | 61% | 27.1% |
| Maplewood, MO | 8,073 | 61% | 26.6% |
| Millstadt, IL | 3,882 | 54% | 12.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Orange, MA | 3,882 | 33% | 30.7% |
| Wallace, NC | 3,883 | 25% | 49.0% |
| Swanton, OH | 3,884 | 69% | 44.1% |
| Belleville, MI | 3,879 | 36% | 24.9% |
| New Lebanon, OH | 3,886 | 62% | 29.9% |
| Millstadt, IL | 3,882 | 54% | 12.5% |
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