|timestamp_last_interaction||integer||Timestamp of the last time the user took an action on Classroom.|
|role||string||Either 'student' or 'teacher', depending on whether the user teaches a course active in the last 30 days.|
|num_courses_created||integer||Number of courses the user created on the date in question.|
|num_posts_created||integer||Number of posts the user created on the date in question.|
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