> I am looking to do a class of 20 students, each with their own
> account. Do I understand it right that I need to have capacity
> on 2 platforms, one - Watson, two - the ML For Kids website?
That is one approach.
Or you could just create a managed class account on the ML for Kids website.
For more details, you can see a few of the other times this has been asked:
> Do I need to increase my Watson capacity from free to paid for 20
> kids simultaneously for both text and image APIs?
Image projects do not require API keys. (Neither do sounds or numbers projects)
All of the above relates only to text projects.