Mabona said the departments of education and health will do contact tracing among other staff members at the school, and premises will be sanitised and disinfected.
He said this process usually happens over two days, depending on the size of the areas that require deep cleaning.
A letter issued by the school on Thursday, which has been seen by TimesLIVE, says schooling will be suspended until “all the prerequisite procedures have taken place”.
Thulani Masango, a parent of one of the pupils, told TimesLIVE on Friday that parents were angered by Kubheka, whom they accused of compromising the safety of their children.
“He risked our children's lives and didn't even bother responding to our questions as concerned parents. I don't understand what that was about. Kubheka knew about the cases on Sunday, but sat on the matter for three more days until we found out ourselves. When we asked him why he did this, he did not even respond.”