If they can improve. How can you tell whether a student with bad grades is smart and underachieving (possibly coachable/teachable) or just not that smart/not a

If they can improve. How can you tell whether a student with bad grades is smart and underachieving (possibly coachable/teachable) or just not that smart/not able to grasp concepts? Colleges will not spend the resources and take the chance. There are plenty of applicants with good grades: admitting these applicants is safe. It would be the same argument for EQ.