At Imperial, 3rd and 4th years are Undergraduate Teaching Assistants (get paid a little for it) and mark the exercises every week for two trimesters. It's a gre

At Imperial, 3rd and 4th years are Undergraduate Teaching Assistants (get paid a little for it) and mark the exercises every week for two trimesters. It's a great system, both for the 1st years and for the older students "teaching" (had been on both sides).