Classes in any environment work better when all enrolled students can participate in discussions and interact with each other and the teacher directly.
Teachers set class size minimums each year when proposing curriculum. The default class minimum is three, which reflects the normal required minimum for a cooperative learning environment. The teacher may reset the minimum as low as one if the teacher is willing to support a quasi-tutorial learning situation and can adapt the course curriculum to do so.
Teachers set class size maximums each year when proposing curriculum. The default section maximum is fifteen. If enrollment for a given section exceeds twenty students, teachers will be asked to divide the group into independent sections, to allow students to have adequate interaction time during chat sessions and balance load on the school server. Exceptions may be granted on a case-by-case basis.