Plan out your shit. whether it be a google calendar, or a written planner that you write your stuff in do it. Write down when your assignments, projects and labs are due. Write down your test days, plan days for reviews, plan office hours/class schedules.
The way to be successful besides just plainly getting your work done and trying hard is to be organized so you don't get overwhelmed. Syllabuses have a huge amount of info and our given out the first day, read them, plan off them so you know in the future.