In your Teacher app you can view students that either have or do not have a specific coin.
1) Click "View Students" to go to the "Students" section
2) Click the Filter icon.
3) In the Filter menu clear any unwanted existing selected filters and the select a coin in the dropdown. You can also choose if you want to see only students with or without the coin. Optionally enter a date range.
4) Your students list will now by filters by your coin criteria and the number of coins each student has earned in the selected date range will be display. Optionally, you can use the "Sort by" option to sort by number of coins.