School event booking, would Amelia cover our needs?

Hi Amelia Team,
I’m a teacher and my school is planing a special Health Day.
All normal classes stop that day and pupils will have to register for 3 lessons this day, 8-10am, 10-12am, 14-16am.
In each time block they may choose 1 of 20 courses.
In the End of the day they will have had 3 special lessons.
the different courses have limited numbers of attendees reaching from 8 to 40 according to the different courses.

Would it be possible to organize the lesson bookings with Amelia?

If YES, would I need to have a paid subscription?

Do all pupils need to create a WordPress user account?

Thanks for your help.

Gerard