Pui Ching Middle School has always been devoted to the promotion of environmental protection.  Teachers and students often participate in the Green School Award Scheme held by the Environmental Protection Bureau.  In the 2020 Green School Award Scheme, Pui Ching won the highest award, the Platinum Award as an eco-friendly school.  Three teachers (Lam Un Mei, Kuok Chan Ip, Wong Suet Lin) and seven students won the Fans of the Green School Award together.  Four teachers (Chan Lai Leng, Leong Im Hong, Lao Si Man, Cheng Si Teng) won the Merit Award in the Environmental Protection Instructional Design Award Scheme.