You're able to add additional columns of subcategory data to your tracker, such as Pupil Premium, SEN or Prior Attainment banding by clicking on Student Attributes at the bottom of the left hand menu, and ticking the attributes you want to be visible. To view your new attributes, return to the tracker, and you'll see new columns appear on the screen.
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You can do this in the Grade Summary, KS4 Grade Analysis or Learning Characteristics Analysis tools on Pupil Progress also.

Any additional student attributes you have enabled will also appear on any downloaded files, which you can access by toggling Tools and clicking Download.