Parents say pupils have been left "terrified" by a school's new discipline crackdown - claiming children have wet themselves and spent weekends dreading the return to the classroom.
Children at the St Ivo Academy in Cambridgeshire say they are banned from speaking in corridors between classes, and are not allowed toilet breaks during lessons.
The school in St Ives has adopted the SLANT teaching strategy which requires that children "Sit up, Lean forward, Answer questions, Nod their heads and Track the teacher".
The Astrea Academy Trust, which runs the school, said the new policy and stricter disciplinary procedures, is leading to better behaviour from students.
But parents and pupils at the school told ITV News Anglia it was making their lives miserable, and teaching unions said staff were leaving or taking time off because of the new regime.