Apollo International School is a residential school in Sonipat, Haryana, India. It is affiliated to CBSE and University of Cambridge. It is an English medium and Co-Educational school. It is a member of many groups like the CBSE Sahodaya Group, UKIERI (United Kingdom India Education Research Initiative), and ISA (International School Award). The school is located at GT Karnal Road, NH1, GT Road, Sonipat, Haryana, India.