Located in San Antonio,TX, Saint Mary's Hall is a private,coeducational, college preparatory, independent day school for age 3 through grade 12.

Saint Mary's Hall was founded in 1879 on the principles of knowledge, self-confidence, and respect for others. This original philosophy remains intact in conjunction with a comprehensive college preparatory program. The school was organized by the Episcopal Church and is now independent and coeducational. Saint Mary's Hall is accredited by the Independent Schools Association of the Southwest (ISAS).