Ridgewood High School, or RHS, is a public four-year high school located in Norridge, Illinois, an enclave suburb surrounded by Chicago, Illinois, in the United States.

It is part of Ridgewood Community High School District 234.

The school serves portions of Norridge, Harwood Heights and unincorporated Norwood Park Township.

Ridgewood competes in the Upstate Eight Conference and Illinois High School Association.

This Illinois school-related article is a stub.