Althoff Catholic

Althoff Catholic High School, located in Belleville, Illinois, is a private Roman Catholic institution under the Diocese of Belleville, established in 1964. The school serves grades 9–12 and is known for its rigorous academics, small class sizes, and commitment to faith-based education. With an enrollment of approximately 300 students, Althoff offers a comprehensive program that includes athletics, the arts, and various service activities. The school's mission emphasizes academic excellence and spiritual growth, fostering both educational and personal development.