Private Schools in Marissa, Illinois

Althoff Catholic High School is a highly-regarded college preparatory school serving students throughout the Metro East region, including Marissa. The school offers a rigorous academic curriculum with 16 Advanced Placement courses, comprehensive STEM programs, and competitive athletics. With a student-teacher ratio of 14:1, Althoff provides personalized attention and strong college counseling. The campus features modern facilities including science labs, performing arts spaces, and athletic complexes. As part of the Diocese of Belleville, the school emphasizes faith-based education while maintaining strong academic standards that prepare students for top universities.

Gibault Catholic High School serves students from multiple counties in southern Illinois, including Marissa families. The school offers a comprehensive college preparatory curriculum with dual credit opportunities through local colleges. Notable programs include business education, agriculture, and extensive athletic offerings. Gibault maintains small class sizes and emphasizes character development alongside academic excellence. The campus features recently renovated facilities including technology-enhanced classrooms, science labs, and athletic fields. With nearly a century of educational service, Gibault has established strong community connections and consistently produces graduates who succeed in higher education.

Metro-East Lutheran High School provides Christ-centered education to students across the Metro East region, serving Marissa and surrounding communities. The school offers a rigorous academic program with college preparatory courses, dual credit options, and Advanced Placement opportunities. MELHS emphasizes faith integration across all subjects while maintaining strong academic standards. The school features modern science labs, technology resources, and competitive athletic programs. With a focus on developing well-rounded students, the school offers extensive extracurricular activities including music, drama, and community service programs. The supportive community and dedicated faculty create an environment where students thrive academically and personally.