There are a variety of activities and programs for every student at River Hill High School.

Student Clubs
More than seventy clubs are available for students to participate in.

Student Government Association
Student Government Association manages the club directory and the Class SGA sites and runs annual events including Hawkfest, Homecoming, and the River Hill Yard Sale.

River Hill Boosters
RHHS Boosters, Inc. is a non-profit organization that promotes and supports extracurricular activities at River Hill High School.

River Hill Band Boosters
River Hill Band Boosters is a volunteer organization to support RHHS band, percussion, and Jazz programs

Howard County Association of Student Councils
The Howard County Association of Student Councils (HCASC) is a county-level student organization.

Maryland Association of Student Councils
Maryland Association of Student Councils is a state-level student organization.

National Association of Student Councils
National Association of Student Councils represents middle level and high school councils nationwide.