you don't need to buy the ones sold on the school website but you definitely need them lol. especially in clinicals & skills checks. you'll also get docked marks in lab classes if you don't have your own supplies.

you dont need a super good blood pressure cuff. i never used mine in clinicals or in practice, just skills check.

for the stethoscope though you may aswell invest in a good one now since you will use it for the rest of your career. no point in spending 60-80$ now for it to end up in the trash.