Oeiras International School (OIS) is the first international school founded in the Municipality of Oeiras.
OIS is committed to fostering a community grounded in values such as respect, helping to prepare independent and passionate lifelong learners who are aware of their roles and responsibilities in an ever-changing world.
To this end, OIS offers a variety of learning experiences, in a suitable, challenging environment of rigorous academic programs.
Quality international education throughout the school, with a special focus on the development of Science, Technology, Engineering and Mathematics (STEM); retroactive planning of IB-MYP from IB-DP and IB-CP; and the well-being of the school community.
Monday to Friday from 8am to 5pm