This is not a necessary step for participating in the contest. However, creating the classes in your account beforehand can be helpful if you would like to get the list of results/the ranking sorted by classes (5b, 7a etc.) instead of just by level.
1- Click on the "Classes" tab located on the left of your screen.
2- Click on the blue ADD CLASS button.
3- Fill in the form by entering:
- Your class
- Your class level
- The referring teacher and any colleagues who can access the class data.
4- Finally, click on the blue ADD button.