It’s alleged a member of Sadtu’s Soweto north branch demanded sex from a local teacher.
The labour movement issued a strike notice over wage concerns yesterday.
The Deputy Education Minister will lead a high-level team to meet with the teachers' union.
The union is unhappy that teachers are the only public servants that receive a 1% pay progression.
It's alleged that no-fee schools are withholding reports unless a 'donation' of R150 is paid.
Fourteen schools were closed in Manenberg for two days due to gang violence.