There are two ways that you can print a list of students that have been sorted by mastery level.
View Student List
Click on Trackers and select your tracker.
Click on a standard to view your class mastery levels for that standard. Then, hover over the Most Recent menu  and select Sort by Mastery .
Take a screenshot of the sorted list, and print it.
Export Student List
Click on Trackers, and select your tracker.
Click the More button , and click the Reporting link .
Click the Export Tracker link.
Select Export Options
In the Export modal, you can customize what data from the tracker will export. To select or deselect a unit, click the checkbox next to the unit name . To select or deselect specific standards, click the down arrow to expand the unit standards list and click the checkbox next to the desired standards .
To customize how the exported information displays, use the checkboxes and radio buttons to select display options .
When you have finalized the export display options, click the Export Spreadsheet button .