Oeiras International School (OIS) is an IB school situated in a picturesque green environment. Our purpose is to nurture young minds, empowering them to become independent, passionate, and creative individuals who work towards a sustainable future for all. At OIS, we offer a wide range of educational programs and services to support our students’ growth and development.

Our academic excellence and accreditations reflect our commitment to providing a well-rounded education. We offer the Primary Years Programme (age 6-11), Middle Years Programme (age 11-16), and Diploma Programme (age 16-19), recognized by universities worldwide. Our curriculum fosters inquiry-based learning and personal growth, ensuring that each student reaches their full potential.

As a not-for-profit school governed by parents, we prioritize the well-being and success of our students. Our campus, located on a real farm, provides a unique learning environment surrounded by nature. Join us at OIS to shape your child's future and make a positive impact on the world