It was established in 1986 with a view to provide quality education in English medium in an Islamic environment.
The school has expanded over the last 25 years [3] and is today managed by a Corporate Management Team (C.M.T) and staffed with a teacher panel of over 80 teachers.
CSI is attended by approximately thousand five hundred students and has classes ranging from Preschool to Ordinary Level.
[4] The current Principal of CSI is former Government Zonal Education Officer Mr. M.M.M.
[5][6] CSI currently follows the Local-Curriculum, which is a subject-formatting set by the Ministry of Education that is now being followed by the majority of schools of Sri Lanka.