Private Schools in Holtsville, New York

Longwood Montessori School is a highly-rated American Montessori Society accredited school serving Holtsville and surrounding Suffolk County communities. Established in 1994, the school offers authentic Montessori education for children ages 3-12 in carefully prepared environments designed to foster independence and love of learning. The school features specialized Montessori materials, outdoor classroom spaces, and enrichment programs in music, art, and foreign languages. With certified Montessori teachers and small class sizes, the school emphasizes individualized learning plans and holistic child development. Parents consistently praise the school's nurturing environment and excellent academic preparation.

The Stony Brook School is a prestigious independent Christian college preparatory school serving the Holtsville area and greater Long Island. Founded in 1922, this highly selective school offers a rigorous academic program with 19 Advanced Placement courses and a comprehensive STEM curriculum. The 55-acre campus features state-of-the-art facilities including science laboratories, performing arts centers, and athletic complexes. With a student-teacher ratio of 8:1, the school provides personalized attention and has a 100% college acceptance rate to top universities. The school emphasizes character development alongside academic excellence through its honor code and community service programs.

Our Savior New American School is an internationally-focused private school located minutes from Holtsville, offering both International Baccalaureate and American college preparatory programs. Founded in 1989, the school serves a diverse student body with comprehensive ESL support and global education perspectives. The campus features modern classrooms, science laboratories, art studios, and athletic facilities. The school is known for its strong academic results, with graduates attending competitive colleges worldwide. The IB Diploma Program provides rigorous international curriculum while the school's Christian foundation emphasizes moral and character development. The school offers extensive extracurricular activities including robotics, music ensembles, and competitive sports.