A group lesson is for the teacher who has reached 2000 US dollars income that this function would be activated.How to set Group class :please go to Customized Pricing, and choose group lesson and click "create course". then you can see "Announce info" to add. For the next step "Recruitment Tips", you can click this link to watch how to recruit students.Go to a further step "Set Course Info"You will set a minimum and a maximum number of students per class. And the course will only proceed when the minimum number of enrollments has been reached.The fees payable per student will be the same regardless of the number of students in a class.Early Bird/Late Bird Discount :You have the option to offer early/late bird discounts to your lessons. You will need to specify the start and end dates for this discount period, and the discount rate (in increments of 5%).