The International School of Tianjin (IST, Chinese: 天津经济技术开发区国际学校天津分校[1]) is an international school in Jinnan District, Tianjin.

IST uses the IB PYP (IB Primary Years Programme) until grade 5, IB MYP (IB Middle Years Programme) until grade 10 and the IB DP (IB Diploma Programme) from grades 11 to 12.

The school provides education from Nursery to grade 12.

IST's student body consists of over 450 students from 32 countries.

IST currently has over 70 teachers recruited internationally.