Professor Briggs began her career as a clerk at a chemical plant at age 14 years, and in 1950 she joined the London Metropolitan Police, New Scotland Yard where she worked in the child protection unit. It was here that she witnessed child abuse and the challenging social circumstances for many children, igniting her great interest in the protection of children. After marrying her long-time sweetheart Kenneth Briggs, having children and becoming a foster carer, she undertook her Year 12 studies by correspondence. She furthered her education by studying teaching at Warwick University. She then taught at Chesterfield Primary School.