Ridgewood High School (Illinois)  Ridgewood High School, or RHS, is a public four-year high school located in Norridge, Illinois, a suburb of 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 Metro Suburban Conference and Illinois High School Association. Its mascot is the Rebel. Ridgewood has the following teams.