In the Report Explorer search box, typing 'Perfect Attend' (and pressing 'Enter') will display the following reports:

Many schools will want to ignore absences for various reasons (eg. 'Warranted', 'IS Cred', etc.). The 'Reason Filter' parameter can be enabled by clicking the '*' and changing it to '!=' and selecting the reasons as shown below (click the '+' to add additional choices):

If students who have tardy attendance (both greater and less than 30 minutes) also need to be excluded from the perfect attendance list, add the additional choices by clicking the '+' as below:

Sometimes it is needed for the list to be broken down by class section so that each teacher will have a copy that they can verify. If that is needed, the following alternate layout can be used: