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I'm sure this has been asked elsewhere, but what is the best way to calculate total cost of attendance? I've been looking at LST Reports a little, and I know they seem to be pretty well respected around here. So would the best way to figure COA be to just take their number and subtract my scholarship from it?

If you're on LST, just put your scholarship numbers in on the worksheet to get a truly accurate COA (it's more than just student budget minus scholarship, because of origination fees and interest).