shimla schools in himachal pradesh will remain closed till september 25 due to the covid19 situation in the state an official spokesperson said on mondaythe state government had earlier ordered the closure of schools till september 21in a fresh order issued on monday chief secretary and chairperson of state executive committee ram subhag singh said all schools shall continue to remain closed except residential schools further up to 25092021teaching and nonteaching staff shall continue to attend schools he addedfor residential schools standard operating procedurea developed by the department of education will be followed to prevent any spread of covid19 the order added