student's don't have free time anymore to learn on their own.  their job is graduating, almost all curricula is packed with useless shit that won't appear in most jobs, not even academic jobs. do the math studying for 3-4 hours per hour in class, travel time, eating time, sleep time. usually study followed by sleep time gives, which is unfair to the students as they need both of those to learn.  cut it down to 2 real classes a semester, with mandatory internships summer and winter if you didn't fail a class (note, the vast majority of people won't fail, cause they actually have time to study now)
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