St Marys Senior High School

St Marys Senior High School
Location
St Marys, Western Sydney, New South Wales Australia
Coordinates	33°45′48″S 150°46′12″E / 33.76333°S 150.77000°E / -33.76333; 150.77000
Information
Type	Government-funded co-educational dual modality partially academically selective and comprehensive post-compulsory secondary day school
Motto	Latin: Mente Manuque (With Mind & Hand)
Established	1989; 35 years ago (1989)
Educational authority	New South Wales Department of Education
Principal	Sally Smithard
Years	11–12
Enrolment	~900[1] (2008)
Campus	Suburban
Colour(s)	Green, white, yellow, grey and black
Website	stmaryssen-h.schools.nsw.gov.au

St Marys Senior High School is a government-funded co-educational dual modality partially academically selective and comprehensive post-compulsory secondary day school, located in St Marys, a suburb in western Sydney, New South Wales, Australia.

Established in 1989, the school is the first New South Wales Department of Education senior high school and currently caters for approximately 900 students in Year 11 and Year 12.