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The International School of the Americas

Principal's Messages

The International School of the AmericasGrades 9-12

ISA is an open enrollment magnet school program that provides innovative education to high school students in San Antonio, regardless of school district boundaries. Through advanced academic programs, ISA students are prepared for college and career.

Stay Connected

  • Global Focus
  • Experiential Learning
  • Advanced Curriculum
  • Small Class Sizes
  • Community & Leadership
  • Innovative Education
  • Empowering Students Through Experiential Learning

    Our comprehensive curriculum, focused on global competence and experiential learning, prepares students for the realities of the 21st century. From advanced coursework in English Language Arts, Science, Mathematics, and World Languages to unique programs like the Global Leadership Initiative, ISA offers an education that is both challenging and rewarding.

Beyond the Classroom

ISA extends beyond the classroom walls. With our Travel Experiences, Model United Nations, and diverse extracurricular activities, students have unique opportunities to engage with the world, establishing a passion for international affairs.

Get in Touch

Discover how ISA can transform your high school experience. Explore our admissions process, meet our dedicated staff, and find out how you can become part of a community that’s making a global difference.

Campus Address

1400 Jackson-Keller
San Antonio, TX 78213

Who to Call

  • Front Office: 210-356-0900

    What they can help you with: Questions and inquires about ISA, campus tours, programs, and more.

  • Admissions Office: 210-356-0902

    What they can help you with: Admission & enrollment to ISA.

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Teacher Directory
  • Join Our Community

  • Admissions & Enrollment

    You have the creativity, the curiosity, and the drive. You want an education you can use. Programs that are professional and practical. Opportunities that allow you to experiment. DATA is for you!

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  • FAQs

    We’ve outlined everything you need to know about our application process, admission requirements, and how you can connect with us to learn more.

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  • Visit or Contact Us

    We are always excited to have the opportunity to meet prospective students and their families. Contact the campus you are interested in attending to schedule a tour. We have multiple opportunities throughout the year for group tours as well as individual tours. Call us today!

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