New Jersey State Interscholastic Athletic Association
| Abbreviation | NJSIAA |
|---|---|
| Formation | 1918 |
| Type | Volunteer; Non-Profit Organization |
| Legal status | Association |
| Purpose | Athletic/Educational |
| Headquarters | 1161 Route 130 Robbinsville, New Jersey 08691 |
Region served | New Jersey |
| Membership | 425 high schools |
Executive Director | Colleen Maguire |
| Affiliations | National Federation of State High School Associations |
| Staff | 16 |
| Website | njsiaa.org |
The New Jersey State Interscholastic Athletic Association (NJSIAA) is an association of hundreds of high schools in the U.S. state of New Jersey. It regulates high school athletics and holds tournaments and crowns champions in a variety of sanctioned sports.