Carlucci American International School of Lisbon

The Carlucci American International School of Lisbon (CAISL) is a not-for-profit private international school in Linhó, Sintra, Portugal. Founded in 1956, CAISL is the oldest American school in the Iberian Peninsula and the only U.S. State Department sponsored school in Portugal. It is named in honor of Frank Carlucci, former United States Ambassador to Portugal.

CAISL offers an American High School diploma and the International Baccalaureate (IB) diploma. The student population is about 20% Portuguese, 30% American students, and 50% coming from over 50 other nations. CAISL has partnerships with other institutions, such as the Gulbenkian Foundation, to support research initiatives into teaching methods, philanthropic outreach, and to host international conferences and cultural exhibitions. In 2016, Hewlett-Packard (HP) awarded CAISL with the HP Award for Innovation in Education. CAISL alumni have gone on to hold influential positions, both abroad and in Portugal, and have included Grammy Award-winning artists, Presidents of Portugal, and Portuguese nobility, among others.