Private Schools in San Marcos, Texas

The Alpha School is a highly-regarded private Montessori school serving San Marcos for over two decades. Founded in 1999, this independent school offers authentic Montessori education for children from infancy through elementary grades. The school emphasizes individualized learning, hands-on materials, and development of the whole child. With small class sizes and certified Montessori teachers, the school maintains a strong academic reputation and nurturing environment. Facilities include purpose-built Montessori classrooms, outdoor learning spaces, and specialized learning materials. The school is known for its strong parent community and commitment to developing independent, confident learners.

St. Andrew's Episcopal School is a premier independent college preparatory school serving the Central Texas region, including San Marcos families. Founded in 1979, this highly-accredited institution offers rigorous academics from middle school through high school. The school features a comprehensive STEM program, competitive athletics, extensive arts offerings, and character development through its Episcopal tradition. Campus facilities include state-of-the-art science labs, performing arts centers, athletic complexes, and modern classrooms. With a 9:1 student-teacher ratio and 100% college acceptance rate, St. Andrew's provides exceptional academic preparation and draws students from throughout the greater Austin-San Marcos area.

The Atonement Academy is a highly-regarded classical Catholic school serving the Central Texas region, including San Marcos families seeking rigorous traditional education. Founded in 2002, this accredited institution offers a comprehensive classical curriculum from pre-K through 12th grade. The school emphasizes Western civilization, Latin instruction from elementary grades, Socratic teaching methods, and Catholic intellectual tradition. Facilities include a beautiful campus with chapel, science laboratories, library, athletic fields, and dedicated arts spaces. Known for strong academic outcomes and character formation, the school attracts families from across Central Texas seeking classical education within a faithful Catholic environment.