Colombo South International College

Colombo South International College (commonly known as CSI College) is a private international school located in Kalubowila, Western Province, Sri Lanka. It is one of the leading international schools in Sri Lanka.

The medium of instruction is English with students ranging from nursery to high school. In the senior school, the classes prepare students for the Local Ordinary (O) Level and Edexcel IGCSE, Advanced Subsidiary (AS) and Advanced (A2) Level examinations.

The school have produced some of the highest A grade rates in the country for both Local Ordinary level and Edexcel Advance Level examinations in recent years. One of the former student Thilina Silva created history when she became the first female to participate in a major tournament in the historyjs of cue sports in Sri Lanka by participating in the sixth 8-Ball Pool nationals conducted by the Billiards and Snooker Association of Sri Lanka The college has produced many doctors, engineers, accountants, lawyers during the past years. The school has also be highly recognised for Excellent Public examination results and achieving many awards in Inter-School competitions. Colombo South International College had been nominated for the Best Private school in 2004. The school consists of 1,600 Students with 400 Highly qualified teachers.