The SA Democratic Teachers Union in the Eastern Cape says its aware of damning sexual allegations against one of its members.
The acting school principal at Duncan Village's Qaqamba High School is accused of sending several racy Wattsapp messages to a Grade 11 learner.
Sadtu spokesperson Sindisile Zamisa.
"Until those allegations are formal charges against him we will have to provide him representation" he said
Meanwhile, the DA says members will hold a protest outside the school on Thursday.
DA MP, Kevin Mileham, told Algoa FM News on Wednesday that they will be calling for the acting principal's suspension as well as a full investigation into the allegations.