If your school is already registered to take part in The Big Challenge, click on the "Registration" tab on the main menu. 


You will then see how many students have already subscribed. Click on "Edit your participation" on the right to increase the number of students.

On this page you can:

  • add more students: Just click on "Edit your participation" and enter the increased number of participants.
    • Please note that it is not possible to reduce the number of participants - if you made a mistake, let us know via e-mail. When you're ready, click on the 'Validate' button at the bottom right corner. 
  • add another participating class and fill in the correct number of students who want to participate.
  • download your registration confirmation afterwards at the top of the page including the updated payment information .