In this heat Hayshead from Angus take on Little Sutton Primary School from the West Midlands. Will one of them be top class?

In this heat Hampstead Parochial Church of England School from London take on Tilston Parochial Church of England Primary School from Cheshire. Will one of them be top class?

Susan Calman asks the questions as the search continues for the UK's smartest school. In this heat Blaenavon Heritage Primary School from Torfaen take on Calside Primary School from Dumfries. Will one of them be top class?