There are some foreign international schools in Portugal, specially in Lisbon and Porto areas, and also in the Algarve region. These places have a large number of settled foreign families from high income countries. In general, they have good reputation.
Aljezur International School is a progressive English speaking international secondary school, with an excellent exam result history, and VVIS International School Algarve reports that it has obtained a 100% academic success rate for the last four years for first attempmt IGCSE examinations. Other private schools have obtained world-renowned status, including schools such as the Carlucci American International School of Lisbon (CAISL), VVIS International School Algarve, St Julian's School, St Dominic's International School, Prime School Trilingual International School and Vilamoura International School. Oeiras International School is the latest addition to this set of international schools, opening in September 2010 and catering for students in the area of Greater Lisbon.