One-to-many (one teacher, 20 students) might superficially appear to be efficient, but one-to-one is where the real teaching happens. Mentors are highly underra

One-to-many (one teacher, 20 students) might superficially appear to be efficient, but one-to-one is where the real teaching happens. Mentors are highly underrated. Over the next 20 years, I suspect peer-to-peer mentoring will gain huge appeal, and the number of people going to college will decrease.