Complex sentence: The school first opened on 20 June 1958 with an original enrolment of 400 pupils, this has since increased to an enrolment of 1246 pupils in 2010.
Split into simpler sentences: The school first opened on 20 June 1958 with an original enrolment of 400 pupils. This has since increased to an enrolment of 1246 pupils in 2010.