Best Prep for higher scores

I am currently a sophomore in high school and took the ACT for the first time in February. I got a 32 composite with a 32 english, 32 reading, 34 science, and 28 math. I would like to get a 34. I obviously have to get my math score up. What would y’all suggest be the best plan of action to improve on my score? (books, classes, programs, etc.)