In May 2004, the school was the first to put on a full performance at the theatre in the Esplanade. The school launched a 4-year Chinese Studies Programme (CSP) in January 2005 to provide pupils with opportunities to increase their exposure to Chinese culture and to help them develop a deeper appreciation for it. In April 2005, CCHMS was selected to serve as the Centre of Excellence for Chinese in the East Zone (COE), and was awarded the coveted 'School Distinction Award' in recognition of the processes that the school has put in place that lead to sustained achievements in students outcome. In the same year, the school made the new Guinness World Record for the longest can-chain was achieved. This project was undertaken to increase environmental awareness and to raise funds for the needy.