Two things they tell you day one of ground school at PSA. Cooperate and graduate. If you put forth the effort and have a good attitude you will succeed. If you walk around with a chip on your shoulder or you have an attitude problem, you will have a tough time. There have been folks with thousands of hours and folks with very minimal time that have failed out. All you need to do is study and pay attention. And just like brownstreak mentioned, the company has gone above and beyond to help some folks out.