After leaving Faringdon Secondary School at the age of 15 , she joined the Civil Service as a clerical assistant .
After leaving Faringdon Secondary School at the age of 15 , she worked at the Army ( RAOC ) Central Ordnance Depot in Bicester .
After leaving Faringdon Secondary School at the age of 15 , she joined the Civil Service as a clerical assistant and worked at the Army ( RAOC ) Central Ordnance Depot in Bicester .