I got all high 90s on the Hesi. (Although I think the school of your choice customizes the Hesi based on what they are testing over so inquire about that). Math was algebra, A&P was a lot of bone references and Reproductive System and heart. Grammar was easy, knowing how to write a sentence Ect. And vocab was hardest for me because I don’t have any clinical experience Prior to nursing school. But what I did was take the Hesi once just to see what it was like, no pressure. It was $100 and so worth it in my eyes. Then I read the ATI practice book in Barnes and noble a bit to refresh what I did poorly on the first time. It went well based off of that !