Private Schools in Mendon, Illinois

Quincy Notre Dame is a highly-regarded Catholic college preparatory high school serving students across western Illinois, including the Mendon area. The school offers a rigorous academic program with 95% of graduates attending four-year colleges. Features include advanced placement courses, dual credit opportunities through local colleges, state-of-the-art science and technology labs, competitive athletic programs, and extensive fine arts offerings. The school maintains small class sizes with a student-teacher ratio of 12:1 and emphasizes character development alongside academic excellence.

St. Peter School is one of the oldest and most respected private elementary schools in the region, serving students from pre-kindergarten through 8th grade. The school provides a comprehensive education grounded in Catholic values while offering strong academic fundamentals, including advanced math and reading programs. Facilities include modern classrooms, computer labs, library resources, and gymnasium. The school serves families throughout Adams County and surrounding areas, with many students coming from communities like Mendon for its reputation of academic excellence and supportive community environment.

Calvary Academy is a comprehensive Christian school serving students from kindergarten through 12th grade, drawing families from across western Illinois including the Mendon area. The school offers a college-preparatory curriculum integrated with biblical worldview education. Academic programs include honors courses, dual credit opportunities, and comprehensive STEM education. The campus features modern facilities including science labs, computer centers, athletic complexes, and performing arts spaces. Calvary maintains accreditation and is known for its strong community involvement and emphasis on developing well-rounded students prepared for college and career success.