Makuhari International School (幕張インターナショナルスクール) is a private international school located in Wakaba, Mihama-ku, Chiba in Chiba Prefecture, Japan, accepting children from age 3 to 12 in grades K-6.

[1] The school caters primarily to Japanese returnee, dual nationality and foreign children moving to this part of Japan.

Other content and objectives have been added from other curricula mainly from the United Kingdom.

The school buildings, primarily designed by Coelacanth and Associates, received an award from the Architectural Institute of Japan in 2011.

In the 1990s, Chiba Prefecture and Chiba City began making plans for an international school in the Makuhari area in hopes of attracting foreign businesses.