ACT/SAT Test PreparationImprove your ACT/SAT scores and bring on college with confidence. Through a partnership with Sylvan Learning, Harper offers ACT and SAT exam preparation. With small group instruction, practice tests and the SylvanPrep Online tool, students learn about all areas of the ACT and SAT exams. Parents and students, learn about our program and how it can help improve your ACT/SAT scores. Click on classes listed at bottom of this page for more information and to register.