Glenunga International High School has undergone a facility upgrade.

Key features of the upgrade include:

• sufficient capacity to accommodate 2200 students to cater for enrolment growth and the transition of Year 7s into high school in 2022
• construction of a new 3 storey science and technology building featuring specialist spaces for science, technology and innovation, as well as serviced learning areas, breakout areas and associated staff preparation areas
• construction of a new double court gymnasium building with a two storey annexe accommodating health and physical education spaces, change rooms, serviced learning areas and amenities
• creation of a common plaza and landscaping
• additional car parking spaces.