| Index | Sanibel | Florida | National |
| Average Test Scores | 90% | 55% | 48% |
| Student/Teacher ratio | 18:1 | 17:1 | 16:1 |
| Total public schools | 1 | 3,388 | 79,221 |
| Total private schools | n/a | 1,640 | 24,874 |
| Total post-secondary schools | n/a | 466 | 7,963 |
| Index | Sanibel | Florida | National |
| Completed 8th grade | 95.6% | 84.0% | 84.3% |
| Completed high school | 95.6% | 83.0% | 83.0% |
| Completed some college | 86.0% | 58.0% | 59.4% |
| Completed associate degree | 70.7% | 37.4% | 38.5% |
| Completed bachelors | 64.5% | 27.9% | 30.3% |
| Completed masters | 28.8% | 10.0% | 11.5% |
| Completed professional degree | 11.3% | 3.1% | 3.3% |
| Completed doctorate | 3.9% | 1.1% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Sanibel. Using the proficiency score averages, the average test scores for Sanibel, FL schools is 90%. The average student to teacher ratio is 18:1. In Sanibel, FL, an average of 95.6% of students have completed 8th grade and an average of 95.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cypress Lake, FL | 12,766 | 91% | 89.6% |
| Estero, FL | 33,450 | 71% | 46.9% |
| Fort Myers Beach, FL | 7,102 | 65% | 35.4% |
| Cape Coral, FL | 189,633 | 61% | 28.0% |
| Bonita Springs, FL | 57,755 | 56% | 16.8% |
| Sanibel, FL | 7,378 | 90% | 86.5% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Gabriel, LA | 7,374 | 66% | 37.5% |
| Waikoloa Village, HI | 7,366 | 41% | 14.6% |
| Mentor-on-the-Lake, OH | 7,391 | 72% | 50.0% |
| Hiawatha, IA | 7,395 | 63% | 31.8% |
| Palmer, AK | 7,359 | 44% | 8.6% |
| Sanibel, FL | 7,378 | 90% | 86.5% |
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