3d Spring Break Past Participants
| 2019 Teams | 2018 Teams | 2017 Teams |
| Brunswick | Brunswick | Brunswick School |
| Exeter | Exeter | Andover |
| Hackley | Hackley | BB&N Girls |
| Hillside | Memorial | CBC Lacrosse Club |
| Middlesex | Middlesex | Columbus Academy Boys |
| Milton | Milton | Columbus Academy Girls |
| National Cathedral | New Hampton | Exeter |
| New Hampton | Princeton Day | Flower Mound Lacrosse |
| Pomfret | Hackley | |
| Princeton Day | Loomis Chaffee | |
| Saint Viator | Memorial High School | |
| St. Georges | Middlesex School | |
| Milton Academy | ||
| Mountain Vista | ||
| National Cathedral | ||
| New Hampton Boys | ||
| New Hampton Girls | ||
| Oak Hall Eagles | ||
| Potomac School | ||
| Proctor Academy | ||
| Saint Viator | ||
| Sewickley Academy | ||
| The Hill School Girls | ||
| Wilmington Friends |
