Excelsior Classical Academy, a Challenge Foundation Academy, home of the Flying Lions, is a tuition-free public charter school with a rigorous, college-preparatory, liberal arts focus. We have a classical curriculum with Core Knowledge in K-8, Singapore Math in K-6, Spanish in K-5, Latin in 6-8, three years of language in high school, Logic, Rhetoric, and a Senior Thesis. We opened August 2015 to serve grades K–4 and we are growing a grade a year to serve grades K–12.