A 12-year-old victim of persistent bullying has been separated from his fellow pupils, while his tormentors have been allowed to remain in lessons.
A union leader has called for an inquiry into the bullying
Liam Waldron was taken to hospital following attacks with a bottle and a chair by other children at Arnewood School in New Milton, Hampshire.
He now eats dinner alone, arrives earlier in the morning and spends time in a "quiet room" to ensure he does not come up against his bullies.
Liam's step-father, Mark Strickland, said: "For the last year he has been bullied.
'Haven't got a problem'
"Liam has been thrown down flights of stairs, had his face smacked and been beaten around the head with a Lucozade bottle.
"Whenever we've gone to the school, we've always had the same comment back, 'We haven't got a bullying problem'."
Mr Strickland is calling for the bullies to be removed from lessons instead.
He said: "In my day, if I did anything wrong, I was taken to the headmaster.
"The police have been able to do nothing and the local education authority said it was up to the school."
Mr Strickland said Liam had been bullied because he was small for his age at 4ft 2ins and academically bright.
Arnewood School's head teacher, Chris Hummerstone, said Liam was "fully supported while he is in the care of the school".
He said: "We have a very clear anti-bullying policy and do our utmost to resolve any problems our pupils may face.
"There has been evidence of two bullying incidents involving Liam at school in the last school year, involving his school bag and name calling, and these were dealt with in line with our anti-bullying policy.
"Liam has been offered in consultation with his parents a range of temporary options. He has a full timetable and if he wishes he can use the school's quiet areas.
"We will continue to support him in every way we can with our full range of strategies, and will continue to monitor the situation daily."
David Hart, the general secretary of the National Association of Head Teachers, called for an inquiry into the bullying allegations.