Sawley Junior School in Nottinghamshire also prohibits students from wearing the bows.
A mother with children at Victoria Park Junior School in Stretford said her daughters simply want to follow the latest trend but have been told to remove them at school.
It was painful to be his friend, because it wasn't fair, you know?
Il a été révélé en incarnant les rôles-titres de Will Hunting et Il faut sauver le soldat Ryan.
Furious parents have criticised a national clampdown on a craze sweeping schools across the country.
American You Tube and reality television star Jo Jo Siwa, 13, has inspired the fashion trend 'Jo Jo bows', which sees young girls wearing huge brightly-coloured bows in their hair.