For review admits, A&M evaluates class rank (not specifically GPA), test scores and everything else submitted with your application - outside activities, leadership, employment, the essays, etc. So there would be a holistic review of all the above factors and you are compared to other applicants in that year's pool on those items. With that in mind...
Under
http://admissions.tamu.edu/freshman/admitted, you will see details about the various Alternative Admission Decisions that are offered based on the criteria outlined above. Other Pathways gives other alternatives as well.