The ASM campus is located 12 kilometers west of Madrid, in Pozuelo de Alarcón. The facilities were inaugurated in 1967 and currently include four main buildings; a lower school building which includes classrooms as well as a Lower School Learning Commons-Library, a Lower School science lab, a full gymnasium and a playground, a Middle and Upper School with Learning Commons and cafeteria renovated in 2016, a Center for the Arts that houses 3 art classrooms, 3 music classrooms, 1 drama classroom, a 600-seat auditorium and a large multipurpose room. The Science Center and Athletics Complex include all Middle and Upper School science labs, a full-sized gymnasium, fitness and weight room, and health and yoga room. Outdoor PE facilities include 2 tennis courts, all-purpose weather track; a turf soccer field; a new (2018) multipurpose field for baseball and other sports including changing rooms and a concessions stand. There are four digital labs, one dedicated to digital arts and one to robotics.