Shaping Future Leaders Since 2022
TISA International School in Leiden combines the IB Primary Years Programme with entrepreneurial education to develop globally-minded, innovative young leaders.
Our Mission
At TISA, we believe every child has the potential to become a changemaker. Our mission is to nurture this potential through a unique blend of academic excellence, entrepreneurial thinking, and global awareness.
We prepare students not just for further education, but for life itself— equipping them with the skills, mindset, and values they need to thrive in an ever-changing world and make a positive impact on society.
Explore Our Programmes
Our Core Values
These principles guide everything we do at TISA, from curriculum design to daily interactions.
International Mindedness
We nurture globally aware citizens who respect and understand diverse cultures and perspectives.
Entrepreneurial Spirit
We instill innovation, creativity, and business acumen from an early age through our unique MBA programme.
Academic Excellence
Our IB curriculum ensures rigorous academic standards while fostering critical thinking and inquiry.
Inclusive Community
Every child is valued and supported, with special attention to individual learning needs and abilities.
Leadership Team
Our experienced team brings together expertise in international education, entrepreneurship, special needs support, and creative learning.
Artem Tolmachev
CEO
Artem Tolmachev is the founder and CEO of TISA International School, which grew out of Teddy Kids — his bilingual childcare organisation in Leiden.
Karina Medvedeva
Head of School
Karina Medvedeva is Head of School at TISA, leading the academic team and day-to-day school life in Leiden.
Meet our full academic team
20 educators across all grades, subjects, and specialist roles.
Join Our Team
We're always looking for passionate educators who share our vision of empowering young minds through innovative, inclusive education.
Explore Career Opportunities“You've grown so much — not just in height, but in heart, in voice, in spirit.”
Karina & Artem, Founders of TISA
Our campus is located in the heart of Leiden. The main building includes classrooms, gym, cafeteria, reception, library, play space, and yard.
Our campus has
Multipurpose Classrooms
Classrooms are designed to provide a modern educational environment to make the learning process even more effective.
Library
All students are welcome to make use of our library — we have a wide range of books for school and extracurricular reading.
Gym
Our sports classes are fun, active and have an emphasis on participation and are mostly held in our school gym.
Auditorium
TISA auditorium is transformative and can be used for presentations, concerts, performances, forums and many more school activities.
Music Room
A dedicated room for music classes with instruments, special zones for different music activities.
Kanteen
We care about the place students can enjoy our biological meals while they are at school.
Big Yard
Our yard has a lot of space for breaks outside during the school day. We also have lovely alpacas at our petting zoo.
Swimming Pool
Every Wednesday afternoon our students can join swimming lessons.
School Farm & Garden
Practical life-skills learning happens right on campus. Our children care for the animals every day and tend a working vegetable garden, herb garden, earthworm farm, and compost heap.
Meet Our Animals
Alpacas
Woolie, Anne and Brownie
Goats
Theodore, Teddy and Cato
Rabbits
Niko and Zoe Zoe
Visit Our Campus
Come and see it for yourself. Book a tour and experience the TISA learning environment firsthand.
Book a TourWant to Learn More About TISA?
Schedule a campus tour to experience our learning environment firsthand and meet our dedicated team of educators.