OPAL stands for “One Portal All Learners”. It is a one-stop learning and content management system for all staff of the Ministry of Education (MOE), Singapore, including Education Officers (EOs), Executive and Administrative Staff (EAS) and Allied Educators (AEDs), and other OPAL users. OPAL aims to support a staff-led culture of professional excellence, encouraging the growth of networked learning communities and supporting a culture of continuous learning and improvement.