In November 2017, Old Trinity Grammarians' Association president David Baumgartner wrote to the school's leadership, accusing it of being too preoccupied with academic results, fundraising and building projects under Michael Davies' leadership. Baumgartner said the school needed to return to its focus on the "holistic development" and wellbeing of students. He said that there was a "resurgent undercurrent of frustration and anger" among the school community. It was revealed in 2018 that 152 staff had left the school since Davies became headmaster.