**Category Weight **

**The category weight formula computes the course grade using the category-weighted average of the skills/standards. This allows you to adjust the impact of different assessment categories on your students' grades. The sum of the active category weights must equal 100%. **

**Please note: **

**-You can choose to set all Courses to use the Category Weight grading formula by going to Settings > Courses/Skills > Default Course Settings. If you do this, you will still need to go into each Course to select the category weights for that Course because all categories will be weighted equally on initial course creation. It is not possible to assign default category weights.**

**-You can choose to set individual Courses to use the Category Weight grading formula by going to Settings > Courses/Skills > clicking the edit pencil for that Course. **

**Example: How did Sam Smith arrive at a 69% overall mastery score?**

**Assume the following category weights are set in Course Settings: **

**To compute Sam's overall score, first we'll need to add up all skill-level masteries, grouped by the category of the scorecard they're associated with. It is important to remember that this does not mean that you are adding up the assessment scores below. Instead, to verify her score, you will click the edit pencil for each of the scorecards below, and add up the mastery scores for each skill on those assessments: **

**The masteries in each category are then averaged together to produce category averages:**

**Test average = 78%, Quiz average = 54%, Homework average = 50%**

**The student's overall course grade would be calculated like so:**

**(Tests * 65%) + (Quizzes * 20%) + (Homework * 15%) = Overall Grade**

**For this student, the equation would be: (78*.65) + (54*.20) + (50*.15) = 50.7 + 10.8 + 7.5 = 69%**

** **

**Sometimes, a weighted category has no assessments yet, and the weights must be dynamically readjusted. ****If a student does not have assessments in a category, the calculator adjusts the weights to omit the missing category. **

**If a student does not have assessments in a category, the calculator adjusts the weights to omit the missing category.**

**Using the example above, let's assume that Sam hasn't taken any assessments in the Homework category and her overall mastery score is now 72%. **

**In this case, using the settings defined above, the weights of the assessed categories would dynamically adjust as outlined below. This preserves the proportional relationship between the different assessment categories without negatively impacting a student's grade for missing assessment categories.**

**Tests 65 + Quizzes 20 = 85**

**Tests count (65) / (85) = 76% of the grade,**

**Quizzes count (20) / (85) = 24% of the grade.**

**While her category averages don't change in this situation, the applied weights do, resulting in the updated formula to calculate the student's overall grade: (78*.76) + (54*.24) = 59 + 13 = 72%**

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