| Index | Casselberry | Florida | National |
| Average Test Scores | 63% | 55% | 48% |
| Student/Teacher ratio | 16:1 | 17:1 | 16:1 |
| Total public schools | 4 | 3,388 | 79,221 |
| Total private schools | 2 | 1,640 | 24,874 |
| Total post-secondary schools | 2 | 466 | 7,963 |
| Index | Casselberry | Florida | National |
| Completed 8th grade | 87.6% | 84.0% | 84.3% |
| Completed high school | 87.4% | 83.0% | 83.0% |
| Completed some college | 64.6% | 58.0% | 59.4% |
| Completed associate degree | 40.6% | 37.4% | 38.5% |
| Completed bachelors | 24.9% | 27.9% | 30.3% |
| Completed masters | 6.8% | 10.0% | 11.5% |
| Completed professional degree | 1.5% | 3.1% | 3.3% |
| Completed doctorate | 0.9% | 1.1% | 1.3% |
There are a total of 4 public schools, 2 private schools and 2 post-secondary schools in Casselberry. Using the proficiency score averages, the average test scores for Casselberry, FL schools is 63%. The average student to teacher ratio is 16:1. In Casselberry, FL, an average of 87.6% of students have completed 8th grade and an average of 87.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chuluota, FL | 1,939 | 78% | 61.5% |
| Oviedo, FL | 41,062 | 74% | 54.8% |
| Winter Springs, FL | 36,859 | 70% | 46.6% |
| Longwood, FL | 15,514 | 69% | 44.3% |
| Windermere, FL | 3,497 | 69% | 43.9% |
| Casselberry, FL | 28,502 | 63% | 30.2% |
| City | Population | Avg. Test Scores | National Avg. |
| West Springfield Town, MA | 28,527 | 49% | 2.0% |
| Henderson, KY | 28,469 | 53% | 10.3% |
| Northampton, MA | 28,552 | 52% | 8.5% |
| Burbank, IL | 28,447 | 30% | 38.5% |
| Schererville, IN | 28,559 | 63% | 30.2% |
| Casselberry, FL | 28,502 | 63% | 30.2% |
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