Private Schools in Piasa, Illinois

Principia Upper School is a highly-regarded college preparatory school located just across the river from Piasa, serving students throughout the Metro East region. Founded on Christian Science principles, the school offers a rigorous academic program with small class sizes and personalized attention. The 360-acre campus features state-of-the-art facilities including science laboratories, performing arts centers, and extensive athletic facilities. Students benefit from a comprehensive curriculum with Advanced Placement courses, robust arts programs, and competitive athletics. The school maintains a strong college placement record with graduates attending top universities nationwide.

Marquette Catholic High School is a Roman Catholic college preparatory school located in nearby Alton, serving students from Piasa and surrounding communities. The school offers a comprehensive academic program with honors and Advanced Placement courses, complemented by strong extracurricular opportunities in athletics, fine arts, and community service. The campus features modern classrooms, science labs, a chapel, and athletic facilities. Marquette emphasizes character development and faith formation alongside academic excellence, with a proven track record of preparing students for college success. The school community is known for its supportive environment and strong parent involvement.

St. Mary's Catholic School in Alton provides private education for students from preschool through 8th grade, serving families in Piasa and the broader Metro East area. The school offers a faith-based education grounded in Catholic traditions with a strong academic foundation. Curriculum includes core subjects enhanced by technology integration, art, music, and physical education. The school features well-maintained facilities, small class sizes, and dedicated faculty who provide individualized attention. St. Mary's emphasizes character development, community service, and preparing students for success in high school and beyond, with many graduates attending top regional high schools.