Teachers can reset any student account's password in the school.
After logged in your teacher account, click 'Class & Group' on the left sidebar navigation.
Click on any class linked to you account and you'll see the full list of all students in the class.
Click the RESET link for each student to reset his or her account password.
Please note that, by default password will be reset to exactly the same as login ID.
If you're not sure about your school's login ID format, please Check Login ID Format.