Now before people go ape poop, I realize GPA is VERY important. What I mean is, is the difference between a 4.0 to a 3.95 or the difference between a 3.80 to a 3.75 a VERY big difference or do medical schools separate GPAs into tiers like 4.00-3.90 = tier 1, 3.89 - 3.80 = tier 2, etc.