https://www.calibreacademy.com/online-grovers-glendale-az/ : Calibre Academy is a tuition-free public charter school that offers grades K-8. We provide an educational environment that promotes development and growth for the whole child by integrating principles of character development with a challenging academic curriculum. As a public charter school, we offer a range of options for parents and students, including kindergarten, all-day kindergarten, pre-kindergarten, performing arts programs, full athletic