Helpful practice tests for acing the fastest-growing standardized exam The ACT is growing into the most preferred entrance exam by colleges and universities across the country. So if you want to get into the school of your choice, you need to achieve your best score on the ACT. You need the experts on your side! McGraw-Hill's 10 Practice ACTs offers the most ACT practice available anywhere. It includes 10 complete sample ACTs, with in-depth explanatory answers for every question that act as a mini-review for ACT test topics.