More than half the area of the school site is devoted to playing fields and tennis courts as well as other outdoor areas for use by students. A school canteen is provided for students to use before school, recess and lunch. Renovations in 2007 saw the surface of the quadrangle resurfaced and other facilities improved, with shaded area's for students to sit during the summer months and open areas for ball games such as handball as well as soccer, football and basketball. In 2010 the remodelling and updating of all science labs was completed and in 2011 a modern commercial grade kitchen installed for hospitality students. In 2016 the school finished a revamp of their technology facilities, combining the previously scattered computer labs into one central location.
Faculties
Computing Studies
Computer Studies is taught in Years 7 and 8. It can then be chosen as an elective for Years 9 and 10. In Years 11 and 12, students can choose from Information Technology, Information Process And Technology, Software Design and Development and Industrial Technology - Multimedia. The school has 6 computer rooms in total with these evenly split between Macs and PC. All computer rooms have access to a colour and B&W printing and scanning. There is also a Gifted and Talented Technology class which has an accelerated course providing students with the opportunity to complete work above the grade norm. Many ordinary class rooms have been outfitted with interactive whiteboards and wireless access points have been installed across the school site for both staff and students to use with their BYOD devices.
LOTE
Language is compulsory in year 8 and it is taught as an elective for Years 9-12. Languages taught include French.
English
English is the only subject which is compulsory throughout the entire duration of a student's enrolment. All levels of English are taught which includes E.S.L, Standard, Advanced English, English Studies plus two extension levels.
Music
Gymea Technology High School has a wide range of musical programs and facilities including a grand piano and portable staging. Recently the school hall has been refitted with digital LED lights and a digital sound system to provide students with the best possible facilities.
Science
The school has 5 classrooms which serve as science laboratories. Science is compulsory up to the end of Year 10. In Years 11 and 12, science is optional and is taught in the subjects Chemistry, Physics, Biology and Senior Science.
Mathematics
Mathematics is compulsory until the end of Year 11. In Years 11 and 12, Mathematics is taught in both General and Advanced Maths, plus two extension levels for those who wish to pursue the study of maths further.
Sporting teams
Gymea Technology High School has many successful sporting teams in rugby league, soccer, and hockey.
