"Math and Science!"
...I am also a great test taker and I can pass on some of my strategies to my students. I have a degree in Electrical and Computer engineering. Because of the nature of Capacitors and inductors, namely that i = c (dv/dt) and V = L (di/dt), a lot of differential equations are used in circuit analysis and rigorous differential equation classes are required...
10+ subjects, including SAT math