Calibre Academy Calibre Academy a tuition-free public charter school offering grades K-8 in an educational environment that promotes development and growth for the whole child by integrating principles of character development with a challenging academic curriculum. With highly qualified teachers on staff, we offer individualized learning for every student. All-day kindergarten, exceptional learning programs, performing arts programs, and a full athletics program available to all students are just some of the opportunities we offer. As members of the Arizona Charter Schools Association, our school is evaluated for academic, fiscal, and operational compliance annually. We are also a recognized public school receiving an "A" from the Arizona Department of Education.