The ACT® Mastery program is a support structure for principals and district administrators that helps them provide best-in-class ACT test preparation to the students who need it most. Our program is uniquely effective, providing an average three-point increase in student scores in an institutional setting. Our program focuses particularly on students who are scoring below an 18 on the ACT. The ACT® Mastery program is used by hundreds of schools and school districts throughout the country. Learn more about how the ACT® Mastery program works and why it’s the fastest-growing ACT® prep program in the country.