The Association for Private Educational Institutions - Nepal (APEIN) has called the closure.
Meanwhile, demonstrations by students of Jubilant Academy, have disrupted traffic in Kalimati area.
According to APEIN President Bhoj Bahadur Shah, the shut-down has been called to demand action against those involved in Shrestha´s abduction and murder, and address the need for security of teachers, students and educations institutions.
It was revealed on Monday by police that Biren Pradhan was the main culprit behind the murder and Merina Shakya, 16, his accomplice.
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