Yes! To control whether your students can take the quiz multiple times,
Go to the Classrooms page
Click the “Settings” button for the classroom you’d like to adjust
Select “Allow quiz to be taken multiple times”
Press "Done" to save.
Your students will now be able to take the quiz multiple times. Note: Your students might need to refresh the page when they retake the quiz. You can see the results of each quiz by clicking the “Student Work” button associated with the classroom.