>>>>Except that I said "Power games are now a co-ed sport." That would make my use of 'co-ed' an adjective, not a noun.
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>It's past participle of the verb "co-" :). How does one co- a sport is yet to be defined, but we now have a verb for it, as someone is done it already to power games as a sport.
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>>>There now seems to be a quorum of the Pedants Club....
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>>Ok, let's see. There are 3 distinct meanings of the word 'quorum', and the same of the word 'pedant'. That means 9 different ways in which I could take that statement. Therefore, I probably resent it, but until you are more clear, I'm not sure whether I do or not.
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>Don't. Just don't. I mean, don't take that statement at all, not anywhere. Leave it where it is, and you'll see, nothing bad will happen.
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>Now, back to the subject. The need to have a separate word for "education in a {strike}sexuall{/strike} mixed gender environment", and create that word as a derivation from "education" is a tacit confession that Proper Education is monogender But We Are Making a Generous Exception.
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>Why couldn't it be just students, and just education?
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>And, you still haven't found the one thing that would make me retract all this (except the verb "co-", which is just... my software solution for today :), and that is the example of at least one girl college, which was converted into mixed, and where the male students were then called co-eds. If you can't find one, I'll stay with my statement, that term "co-ed" should be taken as an insult. That's where I'd train the PC police's sights.

http://www.usatoday.com/news/nation/2004-12-12-women-college_x.htm

Actually you seldom hear 'co-eds' to describe the students (I don't think I ever have in fact) but rather coed gym (gym class where both girls and boys attend the same class) or coed school (school where both girls and boys attend).