'School provided security for Diana'

A photo of Diana as a pupil at the school in the 1970s

The Princess described her schooldays, most of which were spent in Kent, as some of the happiest of her life.

Diana was a pupil at West Heath School in Sevenoaks which was an exclusive girls boarding school at the time.

Graffiti from Diana on a cupboard in her former school

It's a place where she certainly left her mark - with the above piece of graffiti still visible in her old classroom more than a decade on.

We speak to her former history teacher in her first TV interview about the 'fun-loving, deeply sensitive girl' she remembers.

Derek Johnson has this report.