The Illawarra Grammar School (TIGS) 創建於1959年，該校是一間男女子聖公會私立走讀學校。TIGS位於新南威爾斯省東岸的臥龍崗市，距離悉尼大約70公里。
TIGS開辦的課程包括小學(PYP) 、初中 (Year 7 - Year 10)、高中(Year 11 - Year 12)。高中學生可以選擇就讀國際預科文憑(IB)或NSW高中證書課程。
Opened in 1959, The Illawarra Grammar School (TIGS) is an independent co-educational Anglican day school located on the eastern coast of New South Wales in the City of Wollongong, approximately 70km south of Sydney.
TIGS is a dynamic educational centre that encourages each student to pursue the highest level of academic excellence, personal achievement and fulfilment of which they are capable. We aim to encourage independent thought and serious study, a high level of personal presentation and responsibility, the ability to lead and work with others, and develop individual talents and interests.
The Illawarra Grammar School is an International Baccalaureate (IB) World School offering the Primary Years Programme (PYP) in our Junior School and the Middle Years Programme (MYP) in Year 7 to Year 10. In Years 11 and 12 students are able to choose either the IB Diploma Programme or the NSW Higher School Certificate Course.