[1] More recently, a new Sixth Form building was added and officially opened on 12 July 2004 by outgoing headteacher David Scott.

During his visit, he became involved in a heated debate with a small group of students who challenged his negative views regarding comprehensive education and his advocation of a private sector role in schools.

In April 2019, the school car park just off Brier Hey Lane became decommissioned to become the ground for the new English teaching block containing nine classrooms.

In January 2007 a student-run business was opened in school; Under the Stairs, selling snacks at break times and lunches.

The two students - Matthew Dawson and Jack Walsh both received awards for their Entrepreneur skills.

Each year students of Calder High put on the Easter-time performance of the Pace Egg Play in the surrounding area.