Originally Posted by Val
The high school teachers still score at the 49th percentile for math (and the elementary crowd averages the 33rd, which implies that a lot of their right answers are guesses).

Val, tell me it ain't so, are you confounding percentages with percentiles? Or is this a deep statistical thingy from the raw score of 22 of 40 correct that corresponds to the 33rd percentile? Not discounting your arguments, just being a petard.