Schools
| Name | Years | Students |
|---|---|---|
| Lower Camden County Regional | 1 | 2 |
| Long Branch | 14 | 38 |
| Lodi | 3 | 5 |
| Livingston | 42 | 123 |
| Little Silver | 1 | 1 |
| Little Falls, Passaic Valley | 1 | 1 |
| Little Falls | 1 | 2 |
| Lindenwold | 2 | 2 |
| Linden | 22 | 62 |
| Lincoln, Jersey City | 4 | 8 |
| Levittown | 3 | 7 |
| Leonia | 29 | 55 |
| Lenape Valley Regional | 32 | 71 |
| Lenape Regional, Medford | 37 | 77 |
| Lawrence Township | 2 | 4 |
| Lawrence | 13 | 21 |
| Lambertville | 1 | 1 |
| Lakewood High School | 10 | 20 |
| Lakeland Regional | 15 | 39 |
| Lacordaire, Montclair | 1 | 1 |