The bell had just rung for the end of recess. Children were heading back to their classrooms, and Year 1 teacher Mrs Boonen was preparing to return to hers when she noticed one of her students stumbling across the playground towards her, fists clenched, rubbing her eyes, sobbing. Mrs Boonen crouched to the ground and extended her arms to Amelia, and the six-year-old rushed into her teacher’s embrace.