Her grading policy is so liberal that she has failed few students in more than 30 years of teaching.
There had been some protest from students and faculty members when the grading policy was adopted.
Under the new guidelines, departments have been encouraged to re-evaluate and clarify their grading policies.
But he said he concluded that it would be useful to have a uniform grading policy.
Originally, Westview incorporated a "standards" system into its grading policy.
One is that a liberal grading policy encourages students to take tough courses in unfamiliar subjects.
Faculty members say relations with the principal degenerated after he announced a new grading policy in October 2004.
The new formula accounted for variations in the grading policies of different professors and departments.
The second goal of our study was to examine the influence grading policies exert on the courses students decided to take.
The 752-student middle school, with 50 faculty members, has instituted a no-fail grading policy.