A total of 56 of Northamptonshire’s primary schools are either at or over their official capacity.
A Freedom of Information request was sent by the Labour Party to Northamptonshire County Council covering 268 schools in the county.
Headteachers of 19 schools say they are full and a further 37 said they are over the official limit for pupils.
The Labour Party claimed it showed that 7.1 per cent of the county’s primary schools are at capacity, with a further 13.8 per cent over capacity.
Councillor Danielle Stone (Lab, Abington and Phippsville) shadow cabinet member for education and skills at County Hall, said: “We need pragmatic and sensible solutions for overcoming pressures on our schools. The government should commit more funding for school places and once again give local authorities powers to open schools in areas where places are needed most.”
Councillor John McGhee (Lab, Kingswood), the Labour leader on the county council, said opening schools in areas where there is not a huge need for primary school places has been a contributory factor.
He said: “This Tory-led government’s education policy is not providing the school places in areas of greatest need.
“It, in fact, prioritises money for opening new schools where surplus places already exist.
“A post-May Labour government has a robust plan for tackling the school places crisis. We will employ new Directors of School Standards in every local area.
“The Directors will be responsible for commissioning new schools in a fair and transparent way.
“These will ensure that there is proper planning for new schools where they are needed.”