South Wales Police is investigating the sudden death of a 51-year-old headteacher.
Huw Jones was in charge of the 406-pupil Albert Primary School in Penarth.
His body was discovered on Fort Road in Lavernock on Wednesday.
Pamela Hay, director of learning and skills in the Vale of Glamorgan, sent an email to parents to tell of her 'deep sadness' at the news and that a counselling service will be made available to all pupils and staff.
Police say next of kin has been informed.