Meanwhile, parents’ associations welcomed the decision but said it should have been enforced much earlier to improve the standard of primary and upper primary education.
The online Teacher Eligibility Test (TET) for computer science scheduled for Sunday was cancelled in some centres due to technical and logistical errors.
Justice S M Subramaniam had directed the authorities competent to initiate appropriate action under the Rules for discharging the teachers by issuing show cause notices after setting out the reasons.
The court was hearing a plea by some petitioners belonging to economically weaker sections and planning to appear in CTET 2019.
The incident of leakage came to light when photos of question paper surfaced and went viral on social media while the first sitting of the examination was underway.