Black Box 2

It's busted but this is a lot better than your last level like this. Interesting final path and some other cool options.

Reach

Valycian's Level

Rectangular Array

mathmasterzach

Two Right Feet

oreva

VisD

Newer players could learn that when they see multiple exits, they should identify which ones are impossible to reach.

yokosooo

A nice re-working of this sort of puzzle.  Not too fiendish.

Roskoe

Allpollo

Don't think this is Highschool difficulty at all, should be Junior High or maybe Kindergarten. With only 15 steps and a lot of obvious logical impossibilities there isn't much uncertainty