Complex sentence: There were 1,867 students by 1986, and throughout the 1980s and' 90s there were ongoing improvements to technology; computers became commonplace, and interactive whiteboards were introduced across all classrooms by 2009.
Split into simpler sentences: There were 1,867 students by 1986, and throughout the 1980s and' 90s there were ongoing improvements to technology. Computers became commonplace, and interactive whiteboards were introduced across all classrooms by 2009.