| | Key Biscayne, FL | Marco Island, FL | United States |
| Expend. per Student | $11,839 | $13,670 | $15,905 |
| Educ. Expend. per Student | $10,524 | $11,711 | $13,142 |
| Instr. Expend. per Student | $6,809 | $7,184 | $7,999 |
| Pupil/Teacher Ratio | 18.93 | 16.72 | 16.23 |
| Students per Librarian | 2724 | 898 | 4573 |
| Students per Counselor | 439 | 321 | 530 |
| Grade School Educ. | 2.6% | 2.1% | 4.8% |
| Some High School Educ. | 0.8% | 2.5% | 6.3% |
| High School Educ. | 96.6% | 95.5% | 88.9% |
| Some College Educ. | 10.3% | 22.9% | 20.0% |
| 2 yr College Grad. | 4.7% | 6.0% | 8.7% |
| 4 yr College Grad. | 73.7% | 44.6% | 33.7% |
| Masters Grad. | 21.9% | 13.5% | 9.3% |
| Professional Degree | 10.1% | 2.9% | 2.2% |
| Doctorate Degree | 3.4% | 1.7% | 1.5% |