0 the score in an examination, etc. that represents the change from one grade to another, for example from A to B or B to C:
The papers are distributed to be marked, then the chief examiners collect all the marks and set grade boundaries.
Results had to be rechecked when exam boards adjusted grade boundaries by six marks.
He claimed the committee instructed examiners to lower grade boundaries as the papers were too difficult.
They fear that exam boards could be tempted to set grade boundaries much high or lower than in previous years in a bid to keep results in line with previous years.
I worked hard and if a lot of people have cheated, the grade boundaries will go up and I will get a lower grade because of it.
Some teachers have felt pressured to concentrate on pupils just below the C/D grade boundary.
