Imparting Knowledge Building Character

About OIS

Oasis International School is a private international school located in Colombo, Sri Lanka. It was founded in 2000 and offers a high-quality national and British-style education for students from play class through grade 12. Oasis International School is a subsidiary of M.D. Gunasena, a century old company. About Us | M.D. Gunasena ( It has been widely acknowledged that M. D. Gunasena “Taught the Nation to Read” and it is that recognition as well as the Founder’s vision, Corporate values and Innovative spirit that continue to drive Oasis International School.

Oasis International School has a diverse student body, with students often exposed to a wide range of cultures, perspectives and experiences that help them to develop into well-rounded, empathetic and successful individuals. The curriculums at Oasis are designed to be challenging and rigorous, with an emphasis on critical thinking and problem-solving. The school offers a range of extra-curricular activities, including sports, music, dancing and community service.

The faculty at Oasis International School Sri Lanka consists of experienced and qualified educators. The school also has a strong commitment to technology integration, with IT taught from as early as Upper Kindergarten, conducted in contemporary IT labs that comply with international standards.

Why Us?

There are several fundamental reasons why you should choose Oasis International School:

1. International and National Curriculum in a One-stop-shop:

International Curriculum: The international curriculum is recognized worldwide. This allows students to receive an education that prepares them for higher education and employment opportunities both in their home country and abroad.

National Curriculum: The National curriculum is relevant to the Local Context and helps students connect with their own culture, meet national education standards set by the Ministry of Education in Sri Lanka, ensure quality education, prepare for the future, meet the requirements for higher education in local universities and gain access to employment opportunities within the country, develop a sense of national identity through preservation of Sri Lankan culture, enhance multicultural education, promote social cohesion and foster community engagement.

Since we offer both Curriculums, students have a choice and a chance to alternate curriculums of study if they wish to. For example, a student who has completed the National Curriculum GCE Ordinary Levels may opt to sit for Advanced Levels, IAL in the International Curriculum.

At Oasis, the Cross-cultural education and interaction of students from two very different and diverse curriculums under one roof, fosters the creation of a very unique, rich and dynamic learning environment.

2. Diverse Student Body:

Oasis International School attracts students from diverse communities that fosters cross-cultural understanding and global citizenship.

3. Experienced Faculty:

The school employs highly qualified and experienced teachers who are committed to providing a rigorous and engaging education experience. They are also dedicated to helping students achieve their full potential both academically and personally.

4. Innovative Teaching Methods:

Oasis International School uses innovative teaching methods that focus on student-centred learning and critical thinking. This allows students to develop the skills they need to succeed in the 21st century.

5. State-of-the-art Facilities:

The school has state-of-the-art facilities that include modern IT and science labs, auditorium, swimming pool, sports facilities and more. These create an optimal learning environment that enhances students’ learning experience.

6. Overall:

Oasis International School provides a holistic education experience that prepares students to become responsible and compassionate global citizens who can thrive in an ever-changing world.








Our students are Diverse, Open-minded, Inquisitive, Globally-aware, Empathetic, Adaptable, Multilingual, Cooperative, Respectful, Ambitious, Tenacious, Collaborative, Creative, Independent, Engaged, Knowledgeable, Culturally- sensitive, Inclusive, Responsible, and Thoughtful. Students at Oasis International School are enrolled into a unique education program that emphasizes global perspectives, cultural diversity, and rigorous academic standards. The school also provides opportunities for extracurricular activities and community service.

Student & Parent Testimonials

Oasis International School student and parent testimonials hold great significance. They offer genuine perspectives on the school’s educational environment, curriculums and support systems, aiding prospective students and parents in making well-informed choices. These testimonials also serve as compelling evidence of the school’s effectiveness and commitment to fostering a positive learning experience, instilling confidence and trust in the institution among potential stakeholders.