Port Macquarie Adventist School (PMAS) is a co-educational school, owned and operated by Seventh-day Adventist Schools (NNSW) Ltd, a member of Adventist Schools Australia (ASA). ASA is a part of the worldwide Adventist education system, one of the largest Protestant education systems in the world.

Established in 1952 and moved onto its current site in 1992, PMAS provides an approved program of education for students from Pre-Kindy to Year 6. PMAS is registered and accredited by the NSW Education Standard Authority (NESA), a body that regulates all independent schools in NSW and prescribes the NSW Curriculum guidelines and outcomes. PMAS supports and exceeds all the regulatory standards and accreditation standards set out by the NES, as well as following all Federal Government guidelines.

In addition, PMAS is a member of the Association of Independent Schools (AIS) of NSW.

The local administration of the school is delegated to a School Council appointed by the Board of Directors. The School Council usually meets on a monthly basis during school term.