Hi, thanks! For CASPER, I suggest you look up a good answer structure, do online practice problems under timed conditions and practice typing/thinking fast on the spot. There are several "rules" you should follow when writing CASPER such as always address both sides of the problem, remain nonjudgmental, don't make assumptions etc. If you want I can also make a video about it :) Oh and they have a free official practice test so make sure to do that.
I had 4.0 cGPA, 3.95 OMSAS, 520 MCAT, 132 CARS. But stats aren't everything! It's only part of the application. This was my strong advantage but people with lower stats also get in with great EC's etc.