Private Schools in Oswego, Illinois

Benet Academy is one of the most prestigious private Catholic college preparatory schools in the Chicago area, serving students from Oswego and surrounding communities. With a remarkable 135-year history, Benet offers an exceptionally rigorous academic program featuring extensive Advanced Placement course offerings and competitive STEM programs. The school boasts outstanding facilities, including modern science centers, athletic complexes, and performing arts spaces. Known for its exceptional academic reputation, Benet consistently ranks among the top private schools in Illinois with nearly 100% of graduates attending four-year colleges and universities.

Marmion Academy is a highly-regarded Catholic college preparatory school for young men serving the Oswego area and surrounding communities. With a 90-year history of educational excellence, the school offers a rigorous academic curriculum with strong STEM programs, extensive athletic opportunities, and comprehensive fine arts education. The campus features modern facilities including science labs, performing arts centers, and athletic complexes. Known for its strong community values and high college acceptance rates, Marmion maintains small class sizes and personalized attention for students.

Rosary High School is a distinguished Catholic college preparatory school for young women that serves Oswego and the Fox Valley region. With over six decades of educational excellence, Rosary offers a comprehensive academic program with specialized academies in STEM and health sciences. The school features state-of-the-art facilities including science laboratories, innovation spaces, and performing arts venues. Rosary is recognized for its strong sisterhood community, outstanding faculty, and exceptional college placement record, with graduates attending top universities nationwide.