International Coalition of Girls' Schools

International Coalition of Girls' Schools (ICGS)
Formation1991
TypeNon-profit membership association
PurposeServing Pre-K through 12th grade single-sex girls' schools
MembershipIndependent, public, charter, and religiously-affiliated schools
WebsiteOfficial website
Formerly called
National Coalition of Girls' Schools

Founded in 1991, the International Coalition of Girls' Schools (ICGS) is a non-profit membership association serving Pre-K through 12th grade single-sex girls' schools across the globe. It includes independent, public, charter, and religiously-affiliated schools.

Until 2022, ICGS was known as the National Coalition of Girls' Schools. In 2022, NCGS agreed to merge with the Alliance of Girls' Schools Australasia. The combined entity, known as ICGS, includes over 500 schools in 18 countries with total enrollment of over 300,000 girls.