Subsequently, Stonelaw pupils wishing to do Highers or Certificates of Sixth-Year Studies (CSYS) - these being pre-university qualifications - transferred to Cathkin High for their last two years.
Following this, students from Stonelaw High School who wanted to pursue higher education or sixth-year studies (CSYS) - which are pre-university qualifications - transferred to Cathkin High School for their final two years of schooling.