The International School of the Sacred Heart (ISSH) is a member of the Sacred Heart School Corporation in Japan. This Corporation is one of the primary works of the Japanese Province of the Society of the Sacred Heart, an international Catholic congregation of women religious known as RSCJ (Religieuses du Sacré-Cœur de Jésus). The Society's mission is to discover and make known God's love through the service of education. RSCJ and non-religious women and men serve on the Board of Directors/Trustees and the Board of Councilors.