High Quality Content by WIKIPEDIA articles! Niles North High School, or NNHS, is a public four-year high school located in Skokie, Illinois, a North Shore suburb of Chicago, Illinois, in the United States. It is part of Niles Township Community High School District 219, which also includes Niles West High School. It is also home to several Special Education programs, including the Anchor, Bridges, & SAILS programs. The current enrollment for this school is around 2,300 students.