*** From the Makers of Varsity Learning Tools - Best Education App - 2016 Appy Awards *** For high school students, biology may not be a completely new subject. However, high school students may, for the first time, learn in-depth about microbiology, as well as tissue and organ systems. The free Varsity Tutors High School Biology app for Android devices prepares students to successfully take tests on central biology concepts using flashcards and diagnostic/practice exams. Students can choose t