Brandon Cooper, a 6-foot-2, 260-pound defensive end from South Grand Prairie, Texas is now Tweeting that he has chosen Dartmouth. He is listed as a two-star by Rivals, which says he had offers from Air Force, Rice, Memphis, Penn, Yale and Columbia among others.
Find a video and statement from Cooper on his NCSA page. More highlights here. He's a Texas Prep Stars "underrated." ESPN recruiting has him at 6-7, which doesn't match up with any of the other listings.
Cooper was a District 7-5A All-District first-team selection at defensive end and a Texas High School Coaches Association All-State football academic first-teamer. (link)