Gauteng Education MEC Panyaza Lesufi has called for order at Norkem Park High School in after a video of pupils fighting at the school went viral on social media.
Lesufi visited the school on Friday morning.
One learner was reportedly stabbed with a pair of scissors on Thursday.
Lesufi said they have managed to identify 12 culprits from the video, 10 of them which were girls.
He said the girls were immediately suspended while the boys were expelled following a disciplinary hearing with the SGB.
Lesufi said that two more learners assaulted two teachers on Friday morning at the same school.
He said the two learners have been suspended with immediate effect and their hearing will be held over the weekend.