"We are liaising with the police and Netsafe about the matter and have been advised to direct anybody that has received the video to delete the material immediately."
Saxon said the offending student was suspended and would have to appear at a hearing before the Board of Trustees.
"Given the severity of this matter ... Further investigation is ongoing to determine whether the student acted alone and additional disciplinary action is possible depending on the outcomes of this investigation," said Saxon.
"At the end of the day our chief role as educators is to create a safe environment, both physically and mentally, for the learners that come here.
"We will continue to do everything in our power, including utilising the most serious disciplinary consequences at our disposal, to ensure that we achieve this."