Students who engage your challenges will be measured against related course objectives, or job role expectations based on industry frameworks providing you with more than points, more than completion metrics on a transcript, but complete data sets around how well a student is grasping concepts, how well they assimilate that knowledge, can whether or not they can apply what they have learned in real scenarios.
As an Educator, you can benchmark student performance against other students in the class, or seasoned Cyber Professionals that have challenged the same content.