For pete's sake just give everyone extra time on tests; what's the big deal?
If you know the stuff, regurgitating it faster is a trivial optimization.
If you have to grade essays and you give students more time you have to spend more time on grading - taking away time from preparing lessons and supporting students individually.
How much time is enough, then? Do they get all day? A week? As long as it takes?
If you have to grade essays and you give students more time you have to spend more time on grading - taking away time from preparing lessons and supporting students individually.