From the BBC:
A report into schools in England says there is a "culture of fear" in them because of what it calls the "draconian" use of performance targets.
It calls some exams "meaningless" and "unrealistic" - and says others are "disguised" by teachers.
The report was compiled from interviews and surveys with 2,500 primary and secondary school pupils.
The Department for Education denied claims of a "bullying culture" and said it made "no excuses" for valuing performance.
The report has been submitted to Education Secretary Michael Gove.
The report follows a warning from Home Secretary Theresa May that testing and exams are making a "comeback" in schools.