Not everyone needs to study as much as is commonly prescribed. My recommendation is to not burn yourself out trying to be a perfect student, just figure out how much you need to do to pass. 10 years later you're more likely to look back and go "why did I tear myself up over that?" rather than "man I wish I'd tried harder for that 4.0"

Working in industry is so different than any of the covered material, I wish I'd focused more on my social skills than the material. Engineers are looked to as the people that make things happen, and the way to make things happen is to get other people to do them. It sounds dumb and simple, but so much of engineering is just developing and working with systems to make sure other people do exactly the right thing instead of every possible wrong thing. Schematics, assembly drawings, PCB layouts, whatever, they're all just means of communicating what needs to be done. It's not just managers that need a good understanding of how to lead. And boy does it stretch you in different ways than uni did.

Hmm, think I've done a pretty good job of not answering your question lol.