The chief minister Uva Province Chamara Sampath Dassanayake, who forced the principal of Badulla Tamil Girls' School to kneel before him, was granted bail after turning himself in to police following widespread calls for his arrest.
Badulla Magistrates Court granted bail on two sureties of Rs 200,000 each.
Teachers unions and parents at the school have this week expressed their outrage at his degrading treatment of the Tamil principal, calling for him to be arrested.
Mr Sirisena had previously ordered an investigation into the incident.