Private Schools in Seaford, New York

Chaminade High School is a prestigious all-boys Catholic college preparatory school serving the Seaford area and broader Long Island community. Founded by the Society of Mary, the school offers a rigorous academic program with extensive Advanced Placement and honors courses. The 75-acre campus features state-of-the-art facilities including science laboratories, performing arts centers, and extensive athletic facilities. Known for its strong tradition of academic excellence and character formation, Chaminade maintains a 100% college acceptance rate and offers comprehensive extracurricular programs in athletics, arts, and community service.

Kellenberg Memorial High School is a comprehensive Catholic co-educational institution serving Seaford and surrounding Nassau County communities. The school offers a challenging college preparatory curriculum with extensive AP course offerings, specialized academies in STEM and fine arts, and comprehensive athletic programs. The 63-acre campus features modern academic facilities, multiple athletic fields, and dedicated spaces for performing arts. Kellenberg emphasizes spiritual development alongside academic excellence, with a strong focus on community service and leadership development. The school maintains high college placement rates and offers robust extracurricular opportunities.

Sacred Heart Academy is an all-girls Catholic college preparatory high school serving Seaford and the wider Long Island area. Founded by the Sisters of St. Joseph, the academy offers a comprehensive educational program emphasizing academic excellence, leadership development, and spiritual growth. The school features a rigorous curriculum with extensive Advanced Placement offerings, modern science and technology labs, and comprehensive arts and athletic facilities. Sacred Heart maintains a strong college placement record and offers diverse extracurricular opportunities including robotics, debate, performing arts, and competitive athletics. The school community emphasizes sisterhood and empowerment for young women.