If you have created assessments for your section, you will see an additional tab that is Assessments. This will show readiness or preparedness percentage attained by the students in the items of assessments created by you.
You can also take the re-test or give new assessment to your students. To do so, click the test history percentage of the student. The test history modal box will open. Click the Re-test or the New assessment tab as per the requirement, provide the test start date, due date, time allowed, and click the Retest button.