Muirfield High School is a public, co-educational, secondary day school located in North Rocks, a north-western suburb of Sydney, Australia.

Established in 1976[1] and operated by the New South Wales Department of Education, Muirfield is a non-selective school catering for approximately 738 students from Years 7 to 12.

[2] In 1989 the school was identified as one of twenty-six technology high schools in New South Wales,[2] becoming one of the first Public schools in New South Wales to introduce computers into the curriculum.

The aim of the 'Technology High School' was to produce "technologically-literate people" and to give an advantage to students who are seeking a career in computing or technology-based industries.

[3] Additionally over the past five years (2014–2018) the school has had a student in the top ten of State for the HSC/TAFE course Information & Digital Technolroduce, and livestock.