As students try to manage rising costs of living, a rising HECS debt is just another cost hanging over their heads, student representatives said.

University of Wollongong Student Union education officer Sean McLachlan said HECS debts are something students are concerned about when heading into full time work.

University of Wollongong students Harry and Kirralee said they were unaware of this year's indexation rate, and how it compared to previous years.