How should I prepare for AC 3-year program?

I will be joining the AC 3-year program on an Express Scholarship in the Fall at Penn State, and wanted to know what I should be doing this summer? So far, I've been working out and memorizing the Air Force ranks, core values, song, chain of command, creed, mission, core values, capabilities, and competencies. I've also taken a practice AFOQT, but since the tests are scored based on how everyone else does, I'm not really sure if I did well or not. I definitely want to make a really good impression to the cadre at my detachment since field training allocations are really tight. Is there anything else I can/should be doing?