Welcome to OIS

OIS is an English speaking IB-International Baccalaureate World School in Oeiras, Portugal, authorized for the IB Middle Years Programme (IB-MYP), the IB Diploma Programme (IB-DP) and the IB Career-related course (IBCP) where students progressively become more responsible for their learning process. The program begins from Year 6 (10 years of age) up to Year 13.


Recently we have been authorized to run the IBCP, the newest of the IBO programmes based on the following vision:

“ By 2020, the IBCP will be acknowledge throughout the world as a leading  international career-related qualification providing upper secondary school students with the academic, practical and social skills required by the 21st century learner.”

Overview of the IBCP - For use from August 2012; IBCP Strategic Framework; Page 5; IBO.


(September 10th, 2013)





OIS is officially recognized by the following entities: