is a district of Setagaya, Tokyo, Japan.
Setagaya Board of Education operates public elementary and junior high schools.
Kasuya 1-2 and 4-chome are zoned to Roka Elementary School () and Roka Junior High School (). 3-chome is zoned to Tsukado Elementary School (å¡Âæ¸å°Âå¦校) and Chitose Junior High School ().