Bradley John, 14, died in 2018 at St John Lloyd Roman Catholic School in Llanelli
Sister 12, rushed to the toilets after hearing Bradley had failed to attend a class
Paramedics battled to save him for an hour and a half, but the boy tragically died
Bradley was a star pupil at an equestrian centre run by Olympic show jumper
For confidential support, call the Samaritans on 116123 or visit a local Samaritans branch. See www.samaritans.org for details