Complex sentence: A fourth distinction,', "with outstanding honor", has occasionally appeared: it was created to recognize students who earned the same grade point average required for the "summa" honor, but did so while pursuing a more rigorous honors curriculum.
Split into simpler sentences: A fourth distinction,', "with outstanding honor", has occasionally appeared. It was created to recognize students who earned the same grade point average required for the "summa" honor, but who did so while pursuing a more rigorous honors curriculum.