Complex sentence: Middlefield Collegiate Institute (or MCI) is a semestered, public high school in the neighborhood of East Milliken in the city of Markham, Ontario, Canada, and is part of the York Region District School Board.
Split into simpler sentences: Middlefield Collegiate Institute (MCI) is a semestered, public high school in the neighbourhood of East Milliken in the city of Markham, Ontario, Canada. It is part of the York Region District School Board.