| School | Total |
|---|---|
| International Community (Winter Park) | 131 |
| International Studies (Hollywood) | 229 |
| International Studies (Miami) | 382 |
| Island Coast (Cape Coral) | 1467 |
| J.C. Bermudez (Doral) | 1034 |
| Jacksonville Classical | 89 |
| Jay | 318 |
| Jefferson (Tampa) | 1238 |
| Jefferson County (Monticello) | 177 |
| Jensen Beach | 1718 |
| Jesuit (Tampa) | 863 |
| Jewish Culture (Fort Lauderdale) | 173 |
| JLA (Miami) | 101 |
| John Carroll (Fort Pierce) | 452 |
| John I. Leonard (Greenacres) | 3147 |
| Jones (Orlando) | 1604 |
| Jupiter | 2997 |
| Jupiter Christian | 291 |
| Kathleen (Lakeland) | 1822 |
| Keswick Christian (St. Petersburg) | 184 |
| Key West | 1300 |
| Keys Gate (Homestead) | 804 |
| Keystone Heights | 699 |
| King (Tampa) | 1031 |
| Kings Academy (West Palm Beach) | 671 |