Investigators are testing the feasibility, and acceptability of Aim to PlayTM a user-friendly digital app for teacher skills training and circuit-based physical education activities for K-2 grade elementary students. The overarching goal of the research study is to encourage physical activity in elementary school settings by developing and evaluating an easy-to-use digital physical education (PE) app, Aim to PlayTM thereby increasing access to, and engagement with, physical activity in disadvantaged school settings.