Are you planning on assigning templates to your students to use? It is recommended from Canva that staff use Google Classroom to keep their Canva assignments/classes organized. You should not have to create more classes. 

If you are looking to assign a template/design you will:

• Click Share

• Click Assignment

• Select Google Classroom

• Choose whether you are giving a new design for each student (gives students a template link that they are forced to make a copy of), instructions only, or work on this design (all students access one document)

This will create a “Template Link” for each student to grab a copy of the assignment.