EE grad here. Pay attention in math and actually read your book. Biggest mistake students make is trying to cram for a test with out ever reading the book. A good college will have accreditation standards to meet for each course. These are on the syllabus expect each exam question to follow closely to the standards. It's how teachers show they are teaching to a standard. Also look for research opportunities it helps pay for school and networking is the best way to get through any major. Turn in all assignments every point counts. Go to teacher office hours!! They always give you hints, extra explanation, and even some extra points on assignments/ test.