| Acronym | Definition |
|---|
| NHHS➣Newport Harbor High School (Newport Beach, CA) |
| NHHS➣North Hollywood High School (Los Angeles, CA) |
| NHHS➣Nebraska Health & Human Services |
| NHHS➣New Hanover High School (Wilmington, NC) |
| NHHS➣North Hunterdon High School (New Jeresy) |
| NHHS➣New Hampshire Historical Society |
| NHHS➣North Haven High School |
| NHHS➣New Haven High School (Indiana) |
| NHHS➣Nathan Hale High School (Washington) |
| NHHS➣North Hills High School (Pittsburgh, PA) |