Four academics from RMIT University have been stood down after allegedly charging students to sit online tests.

The major Melbourne university has now called in auditors to investigate the scandal.

The RMIT staff have been stood down while an investigation is carried out. Credit:Joe Armao

College of Business students were told they had to purchase textbooks written by their lecturers to access the mandatory tests.

These textbooks were sold on a website which Fairfax Media has found is owned by an RMIT lecturer.