Private Schools in Castroville, Texas

Keystone School is San Antonio's premier independent school for academically gifted students, serving families from Castroville and surrounding communities. The school offers an accelerated curriculum that consistently ranks among the best in Texas, with 100% of graduates attending four-year colleges. Keystone features exceptional teacher-to-student ratios, extensive research opportunities, and comprehensive arts programs. The school's historic campus in Monte Vista provides state-of-the-art facilities while maintaining small, intimate learning environments that challenge high-achieving students.

Holy Cross of San Antonio is a highly-regarded Catholic college preparatory school serving students from Castroville and the greater San Antonio area. Founded by the Brothers of Holy Cross, the school offers a rigorous academic curriculum with 18 Advanced Placement courses, comprehensive STEM programs, and competitive athletics. The campus features modern facilities including science laboratories, performing arts centers, and athletic complexes. With small class sizes and dedicated faculty, Holy Cross emphasizes character development alongside academic excellence, preparing students for top universities nationwide.

Saint Mary's Hall is one of Texas' oldest and most prestigious independent schools, serving students from Castroville and the greater San Antonio region. The school offers both Advanced Placement and International Baccalaureate programs across its 120-acre campus featuring cutting-edge facilities including science and innovation centers, performing arts theaters, and extensive athletic complexes. With a commitment to developing the whole child, Saint Mary's Hall provides exceptional academic preparation alongside robust arts, athletics, and community service programs, consistently producing graduates who attend elite universities worldwide.