Provide opportunities for all students to be full of different people. With all 30 students for every teacher you are experienced and have been training teachers, building experience.
Provide opportunities for all students to use their individual talents to the full. There are 30 teachers who are all fully experienced in teaching. And has been a teacher trainer experience.
Offer an opportunity for all students to use the ability of each fully with all 30 teacher. You are experienced in teaching fully. And there to get teacher training to build experience.