The default setting for test and quiz scores in Grade Center is "highest score" when the assessment can be taken multiple times. This setting can be changed in Grade Center when using the following steps:
STEP 1: Click on the contextual menu icon to access the menu options for that specific Grade Center column.
STEP 2: Next select "Edit Column Information" from the displayed menu options.
STEP 3: After the screen refreshes you will be able to scroll down and find the section listed as "Score Attempts Using". This area will allow you to select one of the options from the drop down menu.
STEP 4: Click "Submit" to apply the changes to your course.