Sorry drivingthoughts, I don't think that is true, when you said "ETS says that you can submit only the score you want, or all of your scores, or select scores - but no matter what you send, they do tell your institution how many times you've taken it"
I don't think ETS is allowed to tell the university how many times you have taken it. My understanding is that we will only report the score dates that we want and CSDCAS or the universities will not know how many times we took it.