<p>RML -</p>
<p>Actually, exam scores in that range combined with a GPA in that range is not uncommon. Depending on the courses taken and the specific grades earned (in particular if there is a consistent pattern of As in certain subjects and Ds in other certain subjects) high standardized test scores and (relatively) low GPA can be an indicator of certain learning disabilities, in particular ADD.</p>
<p>However in this particular situation, given the work responsibilities that the OP has, the reason for the grades may simply be that he/she doesn’t have time for all of his/her classwork.</p>