Open Tracker Standard

First, open the tracker that you want to add the standard or sub-standard to.
Next, hover over the menu button, and click on Add Standard.
Configure Standard
Select the Subject, Core, Class, and standards you want to add to your tracker, then click on Add Standard(s).
Arrange Standards

The new standards will be added at the end of your tracker. Drag and drop the standard title to rearrange the order in your tracker.
If you don't see the standards you added, hover over the multi-colored button above your tracker and make sure that the Added check box is selected.