Northridge Preparatory School, or Northridge Prep, or NRP is an independent college preparatory school for young men, located in Niles, Illinois. The school offers a recognized curriculum and a strong athletics program. Northridge is the brother school of The Willows Academy, a girls college preparatory school in Des Plaines, Illinois; parents continue to foster a relationship with The Willows Academy by organizing dances and social events throughout the school year. The School is a member of The Independent School League and Illinois High School Association.