Why is summary GPA not an average of regular grading period GPAs?

Sometimes, our admins are surprised to find a student’s summary grading period GPA is not the average of the student’s regular grading period GPAs. This is a common misconception with how summary grading periods are calculated. In this article, we will discuss:

  1. The difference between a regular and a summary grading period
  2. How summary grading period GPAs are calculated

Regular Grading Periods vs Summary Grading Periods

Regular grading periods include quarters, trimesters, terms, and exam grading periods. Instructor gradebooks are divided by regular grading periods, in which assignments can be created and scored. Every class will have at least one regular grading period, each with its own gradebook and report card scores. Grades in one regular grading period do not affect grades in another regular grading period (in traditional grading).

Summary grading periods include Sem #1, Sem #2, and Final. These grading periods have report cards grades but no gradebook grades associated with them. This KB article discusses how summary grading period grades are calculated.

How summary grading period GPAs are calculated

Summary grading period GPAs are calculated from summary grading period grades. As such, they have no relation to regular grading period GPAs. This is illustrated by the example below:

Example of a Summary Grading Period GPA Calculation

At this school, students are graded on a simple A-B-C-D-F grading scale, pictured below.

gradingscale.PNG

Elena received straight As in Q1, but in Q2, she got a B in English. Despite this setback, she still received an A for the semester (in this case, a 99 in Q1 and an 87 in Q2 average out to a 93 for the semester).

semgpa.PNG

In this chart, you can see that the GPA is calculated for each grading period separately. The Sem #1 GPA is calculated based solely on the Sem #1 report card grades. The B in Q2 has no effect. The Sem #1 GPA is not an average of the Q1 and Q2 GPAs.

This is a simple example, but the idea holds true in every configuration of grading periods. It can also work in reverse, with a lower Sem #1 GPA than you would expect based on the quarterly GPAs.

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