I had been teaching history lessons at St Agatha’s for the past four years and had decided it was time to move on as I felt I needed another challenge. My last day there coincided with the day when the students had finished their exams and were due to go...

I stood there, banana in hand, thinking about how much I was going to enjoy this, smiling as I approached her. But before I could do anything her phone rang. ‘Ignore it,’ I told her. She waited until it stopped ringing. As I went to her side, the phone ra...