Funded from the 2016-17 State Budget the second stage of the Tarneit Senior College has been created to expand the capacity of the school to meet its growing enrolments. Constructed on the eastern end of the site, the college expansion saw the addition of 2 new buildings and the extension of an existing building.
The new buildings house an indoor basketball court, 442 seat auditorium & performing arts spaces, basketball stadium, Library, food technology rooms, café and staff office and meeting areas. The extension of the existing learning neighborhood comprises additional classroom and college library. Externally the college has been provided with additional car parking, asphalt sports courts and soft & hard landscape areas to marry the new works into the existing.