People are being encouraged to donate, swap or take items they need for free.
Vouchers that were available for all could be restricted to primary and secondary new starters.
George is frustrated he cannot wear shorts at his school during the heatwave.
George says he was frustrated he could not wear shorts at Caistor Yarborough Academy during hot weather.
Dr Elizabeth Nassem from the University of Bradford says school uniforms are increasingly out of step.
Only families in the most need will now be eligible for school uniform vouchers for their children.
Applications open for funding to help families with the cost of school essentials.
In between studying for GCSE exams, many students spend hours designing personalised leavers' shirts.
Dozens of pupils are held in a school hall for a day for breaching uniform policy.
