Copenhagen International School (CIS) is an international, co-educational day school located in the Copenhagen metropolitan area, Denmark. It has around 930 students of over 80 nationalities. English is the primary language of instruction. CIS offers an educational program from pre-kindergarten through grade 12 for students of all nationalities. The school year comprises four quarters, from mid-August through mid-June. Copenhagen International School is designed by C.F. Møller Architects.