In your opinion, which ones are the easiest and hardest? I’m considering taking French and biology, but do certain Ivy League colleges prefer that you take subjects like math and literature instead? And how long does it usually take to study for one of these?
Whichever subject tests are easier depends on what subjects you are good at/enjoy.
I know some schools would like to see a math subject test. Which tests are easier depends on your strengths, but as a whole, I’ve found that the science/math subject tests tend to be easier. How long it takes to study also depends on the person. I barely studied for Math II, Chem, and Bio M, but that’s because I’d already studied for the AP Chem and AP Bio exams.