Some keyworkers are being told they can not leave their children at school.
Brampton Cortonwood Infants is one of 17 schools around Rotherham run by the James Montgomery Trust.
The academy says it can only guarantee child places if both parents are keyworkers or a single parent keyworker, to ensure safe staff children ratios. But parents say this stops them doing their vital work.
John Healey MP Lab - Wentworth and Dearne