The Professor Harry Messel International Science School

the ISS

140 students from around the world.

Two weeks of amazing science.


Our ISS alumni put together
something special in memory of
Prof Harry Messel.

A life-changing experience

The ISS is unlike anything you've done before

Just ask Xanthe, one of our 2007 alumni

The International Science School is an amazing, all expenses paid two weeks of science at the University of Sydney. Join 140 other top young scientists from years 11 and 12, from around Australia and across the world, for inspiring talks by world-leading researchers, tours of scientific labs, hands-on experiments and activities, and a packed social program.

  • ISS2019: Register for a Reminder

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    The next ISS will be in July 2019. Applications will open in early 2019, all schools in Australia will be notified towards the end of 2018. Sign up for a reminder when the application process starts at this form.

  • Get the ISS2017 Book!

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    ISS2017 may be over, but you can read all about the amazing science of Future Power in the ISS2017 book. Interviews with eleven brilliant researchers on topics from nuclear fusion energy to smart grids, from medical physics to fast radio burst astronomy. Download the Book here!

  • Watch the ISS2017 lectures!

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    You've read the book, now watch the videos:the entire lecture series from ISS2017 is online for your viewing pleasure at our YouTube Channel.