| School | Total |
|---|---|
| Impact Christian (Jacksonville) | 131 |
| Independence Classical (Fort Pierce) | 14 |
| Indian Rocks Christian (Largo) | 357 |
| Inlet Grove (Riviera Beach) | 665 |
| Innovation (Ocoee) | 176 |
| Innovation (Orlando) | 1767 |
| Interlachen | 652 |
| International Community (Winter Park) | 122 |
| International School (Tampa) | 46 |
| International Studies (Hollywood) | 232 |
| International Studies (Miami) | 375 |
| Island Coast (Cape Coral) | 1490 |
| J.C. Bermudez (Doral) | 1136 |
| Jacksonville Classical | 68 |
| Jay | 343 |
| Jefferson (Tampa) | 1429 |
| Jefferson County (Monticello) | 197 |
| Jensen Beach | 1737 |
| Jesuit (Tampa) | 863 |
| JLA (Miami) | 67 |
| John Carroll (Fort Pierce) | 464 |
| John I. Leonard (Greenacres) | 3246 |
| Jones (Orlando) | 1656 |
| Jupiter | 3145 |
| Jupiter Christian | 275 |