International School of San Antonio provides our city's most comprehensive international language immersion education for children 3-12 years old! The International School of San Antonio is a private language immersion school for students in preschool through elementary school. Beginning with three-year-old's, our comprehensive program offers well-rounded rigorous education that meets and exceeds Texas state education standards and is enhanced with international best practices. We offer language tracks in Mandarin Chinese, French, and Spanish. English instruction is added in Pre-K and is increased in elementary school to facilitate bi-literacy.