Where curiosity meets courage

Early Childhood

Sparking joy and curiosity in a close-knit community.

Lower School

Supporting and challenging every learner, every step of the way.

Middle School

Igniting a passion for lifelong learning and service.

Upper School

Preparing lifelong leaders for college and the real world.
IST Trailblazers are

Globally-minded problem solvers

As an IB World School, we offer a hands-on, inquiry-driven curriculum that sparks creativity, critical thinking, and global awareness. In a supportive community where every student’s voice is valued, we nurture leadership from PreK through high school—helping students grow with integrity, resilience, and purpose as they prepare to lead and thrive in an interconnected world.

A School with Limitless Possibilities

From global travel to over 35 student clubs and organizations, there is something for everyone at IST.

0 +

Student Clubs, Teams, & Organizations

0 +

Nationalities Represented in our Student Body

0 +

Native Languages Spoken by our Families

Our Students are Challenged, Supported, and Celebrated

Education for a Better World

We are proud to be an International Baccalaureate World School. The IB develops lifelong learners who thrive and make a difference.

Vibrant Student & Community Life

Our students are engaged, energetic, and excited to be involved in our community. From athletics to working with local business and government partners, students gain real-world experience through their coursework.

Leaders in Service

A core value of our school is service. Through engaging community projects, numerous field trips, and an involved community, our students see service as essential to their learning and development.

School Stories

IST in Focus

Strategic Plan Launched

We are proud to announce the launch of our first 5-Year Strategic Plan, Forging Our Future, setting the course for the International School of Texas from 2024 to 2029. This plan marks a pivotal moment in IST’s history: ...

The Trailblazer Fund

At the International School of Texas, we believe that a child’s potential to change the world is limitless. This is our north star: to prepare the next generation of globally minded problem solvers for their futures – whatever path they choose ...

Under the Oaks Parent Forums

One of our primary goals this year is connecting and engaging our parent community on a deeper and more meaningful level. We are hosting Under the Oaks Forums throughout the year, focusing on ...