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International School Basel

International School Basel

Fleischbachstrasse 2, 4153 Reinach, Switzerland

+41 61 715 33 33



International School Basel
School type Co-educational Day
Founded 1979
Status Private
Director Bradley Roberts
Language of Instruction English; German (Junior School)
Co-ed Age Range 3-19 years
Number of pupils 1,350
Average Class Size 18
Authorised IB Programmes IBDP, IBMYP, IBPYP
Diploma Coordinator David Griffiths
MYP Coordinator Siân Thomas
PYP Coordinator Emily McCaughan
Associations ECIS, CIS, NEASC, SGIS,IB


"We all want to learn more;

We all do it in different ways;

We all have fun learning;

We all help."

- ISB Student

ISB is a private, not-for-profit, co-educational day school established in 1979. Our students and teachers come from all corners of the world, creating a diverse and inclusive community. We live our Mission every day in every area of the school, as it reminds us to appreciate our learning differences, help each other out, and in our quest for excellence, find a way to make it fun and engaging.

Here at ISB, we firmly believe that true education neither ends nor begins in the classroom alone. As our students explore the world beyond the classroom, our well-qualified teachers and staff instill a skill set that will help them remain lifelong learners, no matter where they live and what they do in the world.

We live in a rapidly changing world, thus, education must lead that change. Investing in professional development at all levels to stay at the forefront of educational trends is our priority to prepare our students to embrace challenges and shape a better world.

At ISB, we prepare students to flourish and impact their world. Our goal is to enable them to "Feel Good and Do Good", by providing them with positive and satisfying learning experiences, and helping them develop a deeper purpose to serve something greater than themselves.


Our three campuses, located on the outskirts of the city of Basel on the edge of the Swiss countryside, provide students with world-class learning opportunities. An efficient public transport system and convenient pedestrian and bicycle paths ensure easy access to ISB campuses. Age-appropriate and supportive learning environments encourage students' potential and nurture their talents at all stages of intellectual, physical and emotional development, providing them with the means to grow and thrive.


We understand that all children learn differently and possess individual strengths and areas for growth. As stated in our Mission, "We all do it in different ways." ISB embraces diversity, not only in race or culture, but in the learning profiles of our students. ISB serves learners by aligning student needs with appropriate resources and support by qualified and experienced teachers and staff.

Academic Results

In 2022, 118 students completed the full Diploma. 100% achieved a pass rate, compared with a world average of 85.6%. Our students achieved an average score of 37 points (out of a maximum of 45 points), compared to a world average of 31.98 points. For the 7 students who took Diploma Programme Courses, they completed a total of 28 individual Courses, scoring an average of 5 points per course (out of a maximum of 7 points), which is an excellent result. ISB graduates have successfully transferred to top universities around the world.