Over 100 parents gathered at Bharatiya Vidya Bhavan in Salt Lake in the fringes of the city on Monday demanding adequate sanitation following the death of two students of the school's primary section on Sunday.
The primary section will remain shut from August 2 to August 5.
"Individually several parents have told the authorities but nothing was done. But this was a collective effort driven, unfortunately, by the death of two children. Today hundreds came here to express concerns," a parent said.