The British International School of Washington (BISW) is a private, nonsectarian, co-educational British school located in the Georgetown neighborhood near the border of the Georgetown and Glover Park neighborhoods in Washington, D.C. BISW educates pupils between the ages of 2 and 18 (UK Pre-Nursery - Year 13 | US Pre-K2 - Grade 12). BISW was originally founded in September 1998 by Dr. Lesley Stagg. In 2013, BISW joined Nord Anglia Education, an international education provider owned by the Canada Pension Plan Investment Board. As of 2019, Nord Anglia operated 66 international schools in 30 countries with over 61,000 students. BISW leases property from Georgetown University, yet GU's Green Building (the physical BISW school building) was purchased in 2009 by the entity that is now HUB Prop