The mental health of children as young as six is being blighted by exam stress, education staff have told the Association of Teachers and Lecturers.
Of 420 ATL members who responded to a poll, almost half said pupils in their school had self-harmed - and 89% said testing was the main source of stress.
Some staff said they were aware of pupils attempting suicide - and 18 of these were in primary schools.
The government says children's mental health is a priority.
Teaching staff complained the pressure placed on…