Complex sentence: In 1984 an eight room permanent port-a-pak was added to the school to ease some of the overcrowding and through the 1980's several new schools were built in the area to further relieve some of the school's enrollment pressures.
Split into simpler sentences: In 1984 an eight room port-a-pak was added to the school to ease some of the overcrowding. Through the 1980's several new schools were built in the area to relieve some of the school's enrollment pressures.