The International School of London

The International School of London (ISL) is a prestigious IB World School located in Chiswick, west London, founded in 1972. ISL offers the IB Primary Years Programme, Middle Years Programme, and IB Diploma for students aged 3 to 18, serving a vibrant international community of over 60 nationalities. Accredited by CIS and inspected by ISI, ISL is renowned for its nurturing, multilingual environment where mother tongue language development is prioritised alongside English. The school offers mother tongue instruction in several languages, making it particularly attractive to French, German, Japanese, and other internationally mobile families. ISL's experienced faculty, small class sizes, and outstanding pastoral care create an environment where every student is known, valued, and challenged. The school's location in west London provides easy access to Heathrow and the broader city. ISL has an excellent record of IB Diploma results and university placements worldwide. An active parent community enhances the school's warm, family-friendly atmosphere.