| Index | Florissant | Missouri | National |
| Average Test Scores | 29% | 44% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 29 | 1,899 | 79,221 |
| Total private schools | 15 | 531 | 24,874 |
| Total post-secondary schools | 2 | 213 | 7,963 |
| Index | Florissant | Missouri | National |
| Completed 8th grade | 88.5% | 86.0% | 84.3% |
| Completed high school | 87.3% | 84.2% | 83.0% |
| Completed some college | 61.7% | 57.7% | 59.4% |
| Completed associate degree | 34.5% | 35.2% | 38.5% |
| Completed bachelors | 24.1% | 27.6% | 30.3% |
| Completed masters | 7.7% | 10.4% | 11.5% |
| Completed professional degree | 1.2% | 2.8% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of 29 public schools, 15 private schools and 2 post-secondary schools in Florissant. Using the proficiency score averages, the average test scores for Florissant, MO schools is 29%. The average student to teacher ratio is 16:1. In Florissant, MO, an average of 88.5% of students have completed 8th grade and an average of 87.3% 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% |
| Olivette, MO | 7,837 | 70% | 44.8% |
| Chesterfield, MO | 47,603 | 69% | 43.2% |
| Grafton, IL | 672 | 65% | 35.4% |
| Florissant, MO | 51,220 | 29% | 39.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Grand Island, NE | 51,250 | 46% | 5.0% |
| Wylie, TX | 51,251 | 67% | 38.9% |
| Logan, UT | 51,266 | 47% | 2.1% |
| Levittown, NY | 51,266 | 76% | 58.6% |
| Glendora, CA | 51,087 | 54% | 12.3% |
| Florissant, MO | 51,220 | 29% | 39.2% |
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