About Us

Colombo South International College

To achieve noble and laudable objectives as enshrines in its Mission Statement .  The Colombo South International College, Montessori Division commenced its operations in 1989.  The noble Mission declares :

Provision of a disciplined, cultured younger generation with respect for human values to face the challenges of the  21st Century and beyond


We are the 6th to be registered as an International College in Sri Lanka. College is conveniently located at No.43, S de S Jayasinghe Mawatha, Kohuwala, Nugegoda

The Montessori Division is situated in front of the main school in a five storyed building designed to accommodate all the facets of Montessori education at No.1, Anderson Road, Dehiwela, the suburb of the Metropolitan city. The entire building encompasses Montessori Units inclusive of children’s playground and a spacious auditorium. Primary and Secondary education is housed in a 5th storyed building in front of the Montessori with all the amenities.

We opened a branch at Kottawa and construction work of Panadura Branch will commence shortly.

It has shown its meaningful existence within the academic community and has been well sought quality education service provider to the nation. The school has not only capitalized the students to acquire academic qualification, but also has played a vital role in moulding their character. Education, creativity and wide spread knowledge are essential for individuals existence in the current competitive world. CSI is committed to providing, nurturing and inspiring educational programs at international level to enrich the sons and daughters of the nation. With knowledge, skills and qualities which will strengthen and equip them to compete and take up any global challenges and live characteristic lives in this world of competition It constantly provides high quality education to the students under the guidance of well proficient and dedicated staff.

In addition to formal classroom, education the school focuses on enhancing personality development by encouraging them to participate in sports and various other extra curricular activities.

The College is fully equipped with spacious rooms for various divisions, including Science Laboratories, air conditioned Computer Rooms, a spacious auditorium and a large well stocked Library. In addition sports facilities are provided, College recently constructed a Basket Ball court of international standard.

The College possesses a highly qualified and experienced staff of dedicated teachers. Most of them are Honours graduates of prestigious Universities or professionally qualified teachers with extensive experience. Trained teachers handle lower grades.