The alumni center located at RMHS main building in Sampaloc, Manila, was inaugurated on March 16, 2009, as a project of RMHS Batch 67 led by their president, Engr. Jose Reyes. A ribbon-cutting ceremony attended by various school officials marked the event, and the RMHSEAA board holds monthly meetings. Senator Jun Magsaysay also visited and pledged support for the alumni tree scholarship fundraising project.