Private Schools in Addison, Illinois

St. Joseph School is a highly-regarded Catholic elementary school serving Addison and surrounding communities. Established in 1956, the school provides a faith-based education from preschool through 8th grade with a strong emphasis on academic excellence and character development. The school features modern classrooms, dedicated faculty with an average of 15+ years teaching experience, and comprehensive programs including STEM labs, fine arts, and competitive athletics. Parents consistently praise the school's nurturing environment, strong community feel, and excellent preparation for high school. The school maintains small class sizes and offers before/after school care programs.

St. Francis High School, located in nearby Wheaton, serves students from Addison and throughout the western suburbs. This co-educational Catholic high school has built an outstanding reputation for academic excellence since 1957. The school offers a comprehensive college preparatory curriculum with 20+ AP and honors courses, state-of-the-art STEM facilities, and nationally recognized fine arts programs. The 40-acre campus includes modern academic buildings, extensive athletic facilities, and dedicated spaces for robotics and innovation. With a 99% college matriculation rate and average ACT scores consistently above state and national averages, St. Francis provides exceptional preparation for higher education while emphasizing spiritual development and service.

Montini Catholic High School, located just minutes from Addison in Lombard, is a comprehensive Catholic college preparatory school serving students throughout DuPage County. Founded in 1966 by the Christian Brothers, the school offers a rigorous academic program with 18 Advanced Placement courses, a dedicated STEM Academy, and extensive fine arts programs. The 22-acre campus features state-of-the-art science labs, performing arts center, and athletic facilities. With a 12:1 student-teacher ratio and 100% college acceptance rate, Montini consistently prepares students for top universities. The school is known for its strong athletic tradition and comprehensive extracurricular offerings.