Updated: 12 Jan 2021, 3:48 SCHOOLS are rationing places for children of key workers as classrooms are now 60 per cent full amid fears it could undermind lockdown, it has been reported. The Department for Education guidance states that only one parent needs to be a critical worker for their child to attend class, but some schools are reportedly refusing children unless both parents are. 3 Schools are being forced to 'ration' spots for children, it has been reported Credit: PA:Press Association 3 Parents who are key workers are advised to keep their children home 'if they can'Credit: Alamy Live News The government guidance also says parents who are keys workers should keep their children home "if they can".