Castlehill Country Day School is a private educational institution that enrolls more than 350 students in pre-kindergarten through grade five. The school occupies over 10 acres of space. It is one of the leading elementary schools in southern Arizona. Castlehill Country Day School s curriculum includes mathematics, science, history and geography. The school assists in developing critical thinking and problem solving skills. It maintains a library, computer lab, playgrounds, restrooms and classrooms. In addition, Castlehill Country Day School organizes summer camps, book fairs and educational field trips. The school also operates a parent-teacher association. It also hosts sessions in physical education, art, music and drama.