International Science School

International Science School

Join our international science program for high school students

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Attention, high school students! Meet world-renowned scientists. Explore cutting-edge research facilities. Build your skills through hands-on workshops and activities. And forge new friendships across the world with the ISS’s packed social program.

If you’re mad about science and in Years 11 or 12 in 2025, you should apply! Applications will open early 2025 –  sign up to our mailing list for reminders and the latest news about the ISS.

ISS scholars in virtual reality goggles and hand sets.

About the International Science School

From 6–19 July 2025, 130 Years 11 and 12 science students from across Australia and around the world will gather at the University of Sydney for the Professor Harry Messel International Science School. 

If you’ll be in Years 11 or 12 (or equivalent) in 2025 don't miss out – sign up to our newsletter for the latest info about ISS2025 and reminders to get your application ready in early 2025. 

Thank you so much for this incredible opportunity! The ISS is a memory that I will cherish for the rest of my life and is a key milestone in my studies and career.

Student review ISS Online 2021

“Thank you so much for this incredible opportunity! The ISS is a memory that I will cherish for the rest of my life and is a key milestone in my studies and career.”

Student review ISS Online 2021

It's inspiring

Hear leading researchers discuss their science; tour research labs and facilities to look behind the scenes; chat about degrees and future careers with university students and faculty staff; and gain hands-on scientific experience by conducting experiments and participating in loads of STEM activities. 

It’s entertaining!

ISS social events let you explore the University and the beautiful city of Sydney with new friends from all over the world. You’ll stay in University accommodation and be supervised and mentored by our team of dedicated staff.

It's free! 

Our ISS program is entirely funded by the Physics Foundation at the University of Sydney through support from the NSW Department of Education and Training (DET), the Australian Federal Government, Mulpha Australia, and many generous government, private and industry supporters and donors around the world.

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