Online asynchronous refers to a mode of online learning where students engage in learning activities and interact with course materials and resources at their own pace and at a time that is convenient for them.

An orientation school, also known as an orientation program or orientation session, is an educational initiative designed to familiarize students with a new learning environment, policies, procedures, and expectations.

An open concept classroom is an innovative learning space characterized by a flexible, barrier-free design that encourages collaboration, communication, and creativity among students and educators.

An open curriculum, also known as a flexible curriculum or non-prescriptive curriculum, is an educational approach that allows students to have greater autonomy and freedom in choosing their courses and learning paths.

The Office of Public School Construction (OPSC) is a government agency or department responsible for overseeing and facilitating the planning, funding, and construction of public school facilities and infrastructure.