The International School Bangalore (TISB) is a private educational institution located on Sarjapura Varthur road in Bangalore, India.

Students of TISB take the International General Certificate of Secondary Education (IGCSE) examinations at the end of the 10th grade, followed by a two-year IB syllabus.

The school has adopted the curriculums of various countries: Grade 9 and 10 pass out through the IGCSE Curriculum, while grades 11 and 12 complete the 2-year course in the IB Diploma.

TISB hosts an annual student-run cultural and academic fest,[1] Vivum, which is one of India's largest student-led school fests.

TISB has both Day Schooling and Boarding, and is a Co-Ed institution.