Chamberlain University - Chicago MPAS class size is up to 50 students as currently approved by ARC-PA.  Chamberlain University - Phoenix MPAS program anticipates a class size of up to 50 if approved by the ARC-PA. Chamberlain University - Richmond MPAS program anticipates a class size of up to 50 if approved by the ARC-PA. None of these programs will exceed the class size approved by the ARC-PA.