My 172 LSAT and graduating magna cum laude from law school a semester early are probably my most prestigious academic accomplishments. (That translates into a class rank of around 15 of 280).
Otherwise, you can add being in the top 1% on most every standardized test known to man (not counting the GMAT, MCAT, etc., which I did not take for obvious reasons), ie the ACT, SAT, NMSQT (aka PSAT), PACT. I was a national merit scholar.
I also graduated college a semester early, with a BA in Philosophy. If I had not partied all of the time, it would have been two years early.
What box do you think I checked?