Cornerstone College is a government secondary school offering a comprehensive curriculum from Year 7 to Year 12, preparing students for tertiary education and future careers through a broad range of academic and vocational pathways. Located in Mount Barker 5251, SA, the school is part of the broader South Australia education network. South Australia has a long tradition of progressive education, with schools serving Adelaide's metropolitan area and communities across the vast regions beyond.

As a government school, it is funded by the state government and open to all eligible students in the local area at no cost, forming a cornerstone of the local community. The school is co-educational, welcoming both male and female students and fostering a collaborative, inclusive learning environment that reflects the diversity of the broader community. The school is situated at Mount Barker 5251 SA.

Families and prospective students are encouraged to get in touch directly by visiting the school's official website at cornerstone.sa.edu.au to learn more about enrolments, open days, and programs offered.