The grading scale is based on an attempt to better show the student their level of mastery. The scale takes indicators such as "Beginning", "Emerging", or "Proficient" and assigns them a corresponding number. Each assignment will be graded using the scale. For assignments that have more than 4-5 questions on them, the amount of correct responses that correspond to the varying scales is different each time based on the complexity of the assignment.
Below are a few resources to further explain the purpose and rationale of the grading scale: