| Index | Key Colony Beach | Florida | National |
| Average Test Scores | n/a | 55% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 3,388 | 79,221 |
| Total private schools | n/a | 1,640 | 24,874 |
| Total post-secondary schools | n/a | 466 | 7,963 |
| Index | Key Colony Beach | Florida | National |
| Completed 8th grade | 95.0% | 84.0% | 84.3% |
| Completed high school | 95.0% | 83.0% | 83.0% |
| Completed some college | 70.7% | 58.0% | 59.4% |
| Completed associate degree | 50.0% | 37.4% | 38.5% |
| Completed bachelors | 43.8% | 27.9% | 30.3% |
| Completed masters | 17.4% | 10.0% | 11.5% |
| Completed professional degree | 3.9% | 3.1% | 3.3% |
| Completed doctorate | 1.4% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Key Colony Beach. Using the proficiency score averages, the average test scores for Key Colony Beach, FL schools is n/a. The average student to teacher ratio is n/a. In Key Colony Beach, FL, an average of 95.0% of students have completed 8th grade and an average of 95.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Marathon, FL | 8,746 | 60% | 24.0% |
| Key Colony Beach, FL | 523 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Wausaukee, WI | 523 | 25% | 48.3% |
| Hornersville, MO | 523 | 30% | 38.5% |
| Laona, WI | 524 | 50% | 3.6% |
| Colesburg, IA | 522 | 65% | 34.4% |
| Green Isle, MN | 522 | 50% | 4.2% |
| Key Colony Beach, FL | 523 | n/a |
Here are the best places to live in Florida
Check out the 10 most dangerous cities in Florida
These are the 10 cheapest cities in Florida
Most Dangerous States In The US