Here's an alternative hypothesis... People thrive under regularity, and young people (especially) tend not to understand that. Similarly, being able to focus o

Here's an alternative hypothesis... People thrive under regularity, and young people (especially) tend not to understand that. Similarly, being able to focus on a single thing is a kind of super-power, while multi-tasking generally hurts performance on tasks. Going to class (and paying attention) means that you've got a regular period of focus on the class topic. That combination of regularity and focus translates into long-term learning and better performance.