International Grammar School (IGS) is a dual campus independent secular coeducational early learning, primary, and secondary day school, located in Ultimo, an inner city suburb of Sydney, New South Wales, Australia. Established in Randwick in 1984, International Grammar focuses its curriculum on languages, and to a lesser extent music, and currently caters for approximately 1,200 students from early learning to Year 12. The school provides an alternative to a denominational independent school education.