FILE--In this photo taken on March 12, 2012, students walk across the Dartmouth College campus green in Hanover, N.H. High school students hoping to earn college credits through Advance

 

              FILE--In this photo taken on March 12, 2012, students walk across the Dartmouth College campus green in Hanover, N.H. High school students hoping to earn college credits through Advance
FILE--In this photo taken on March 12, 2012, students walk across the Dartmouth College campus green in Hanover, N.H. High school students hoping to earn college credits through Advanced Placement exams soon will be out of luck at Dartmouth College, which has concluded the tests aren't as rigorous as its own classes. (AP Photo/Jim Cole, File)