The following organizations accredit University High School:

• Independent Schools Association of the Central States
• North Central Association Commission on Accreditation and School
Improvement
• Indiana Department of Education

University High School is a member of:

• College Board
• Educational Records Board
• Independent Schools Association of the Central States
• Indiana Association for College Admission Counseling
• Indiana Association of Independent Schools
• Indiana High School Athletic Association
• National Association of Independent Schools
• National Association for College Admission Counseling