Schools which focus solely on achieving academically can push pupils into "anti-school peer groups" and towards "risk behaviours", like smoking, illegal drugs and violence, according to experts
Writing for a leading medical journal, a group of academics lead by Professor Chris Bonell said:
This is associated with many students, especially those from disadvantaged backgrounds, disengaging from school and instead investing in 'anti-school' peer groups and risk behaviours, such as smoking, taking drugs, and violence.
Furthermore, research suggests that 'teaching to the test', which commonly occurs in school systems with a narrow focus on attainment, can harm students' mental health.
More top news
It will be very warm in the sunny spells, but fairly breezy across northern areas.
Police have been accused of standing by during the incident.
The former special counsel is due to testify before Congress this week.