| School | Total |
|---|---|
| Hudson | 1444 |
| Ida Baker (Cape Coral) | 2117 |
| Imagine School (North Port) | 311 |
| iMater Prep (Hialeah) | 1020 |
| IMG Academy (Bradenton) | 1188 |
| Immaculata-LaSalle (Miami) | 886 |
| Immokalee | 2058 |
| Impact Christian (Jacksonville) | 112 |
| Indian Rocks Christian (Largo) | 312 |
| Inlet Grove (Riviera Beach) | 728 |
| Innovation (Ocoee) | 203 |
| Interlachen | 701 |
| International Community (Winter Park) | 129 |
| International Studies (Hollywood) | 233 |
| International Studies (Miami) | 358 |
| Island Coast (Cape Coral) | 1431 |
| J.C. Bermudez (Doral) | 1149 |
| Jacksonville Classical | 57 |
| Jay | 344 |
| Jefferson (Tampa) | 1352 |
| Jefferson County (Monticello) | 189 |
| Jensen Beach | 1674 |
| Jesuit (Tampa) | 866 |
| John Carroll (Fort Pierce) | 404 |
| John I. Leonard (Greenacres) | 3292 |