Complex sentence: Guilford is the third-oldest coeducational institution in the country, the oldest such institution in the South, and the fourth-oldest institution of higher learning in North Carolina.
Split into simpler sentences: Guilford is the third-oldest coeducational institution in the country and the oldest such institution in the South. It is the oldest co-educational institution of higher learning in the Southeast, and the fourth-oldest institution of higher learning in North Carolina.