Yokohama International School
Tsukuba International School
Tokyo International School
St. Michael’s International School
St. Mary’s International School
All-boys, all heart, all legacy. St. Mary’s is Tokyo’s brotherhood of achievement—Catholic roots, American curriculum, and generations of tradition. From powerhouse sports to top-tier academics, everything is done with precision and pride. Families stay for decades. It’s more than a school—it’s an identity.