Prince George could attend his mother Princess Catherine's secondary school It's been claimed again that Princess Catherine would like her son to go to her old secondary school. 29 January 2026 Prince William and Princess Catherine are reportedly considering sending their eldest son Prince George to his mother's former school. Photo: Getty Images The royal couple are said to be discussing whether or not to enroll the 12-year-old future monarch at Marlborough College in Wiltshire - the prestigious coed boarding school the Princess of Wales attended between the ages of 14 and 18.