Oaktree International School, Kolkata, West Bengal, India, was a co-educational and residential school following the IB (International Baccalaureate) syllabus. It was Eastern India's first authorized IB World School. The School was located at Joka, 15 kilometers south of the heart of Kolkata, and operated on a sprawling 30-acre site. Oaktree International School imparted the IB MYP, DP and IGCSE curriculums. It also provided full, weekly and day boarding facilities.The school offered Grades 6 - 12. The website for the school noted it was not taking admissions for 2014–2015.