The most common complaint we see about Zoom is students changing their names or using the names of other students and then causing trouble with language or images. We've also seen cases where students have shared meeting login codes with non-MCS students as a prank to disrupt class.
To help prevent this, make sure "ONLY AUTHENTICATED USERS CAN JOIN MEETINGS" is turned ON. This feature is turned on by default. When this is turned on, students must log in to Zoom using their Clever/Classlink accounts, and it will ensure that the name that shows on your screen is the name of the student who is logged in to your meeting.
Other best practices include ensuring that your Waiting Room is enabled, and requiring a passcode for users to enter your meetings. These settings can be configured on the same settings page as above: