Spencer in 1975, at which point her father moved the entire family from Park House to Althorp, the Spencer seat in Northamptonshire. Education and career Diana was initially home-schooled under the supervision of her governess, Gertrude Allen. She began her formal education at Silfield Private School in King's Lynn, Norfolk, and moved to Riddlesworth Hall School, an all-girls boarding school near Thetford, when she was nine. She joined her sisters at West Heath Girls' School in Sevenoaks, Kent, in 1973. She did not perform well academically, failing her O-levels twice. Her outstanding community spirit was recognised with an award from West Heath. She left West Heath when she was sixteen. Her brother Charles recalls her as being quite shy up until that time. She showed a talent for music as an accomplished pianist. She also excelled in swimming and diving, and studied ballet and tap dance. In 1978, Diana worked for three months as a nanny for Philippa and Jeremy Whitaker in Hampshire. After attending Institut Alpin Videmanette (a finishing school in Rougemont, Switzerland) for one term, and leaving after the Easter term of 1978, Diana returned to London, where she shared her mother's flat with two school friends. In London, she took an advanced cooking course, but seldom cooked for her roommates. She took a series of low-paying jobs; she worked as a dance instructor for youth until a skiing accident caused her to miss three months of work. She then found employment as a playgroup pre-school assistant, did some cleaning work for her sister Sarah and several of her friends, and acted as a hostess at parties. She spent time working as a nanny for the Robertsons, an American family living in London, and worked as a nursery teacher's assistant at the Young England School in Pimlico. In July 1979, her mother bought her a flat at Coleherne Court in Earl's Court as an 18th birthday present. She lived there with three flatmates until 25 February 1981. Marriage Diana first met the Prince of Wales (later Charles III), Elizabeth II's eldest son and heir apparent, when she was 16 in November 1977. He was then 29 and dating her older sister, Sarah. Charles and Diana were guests at a country weekend during the summer of 1980 and he took a serious interest in her as a potential bride. The relationship progressed when he invited her aboard the royal