Complex sentence: There were several large high schools in the area, which included Midland Avenue Collegiate Institute and David and Mary Thomson Collegiate Institute Another "vocational" oriented school in the area close to David and Mary Thomson C.I. is Bendale Business and Technical Institute.
Split into simpler sentences: There were several larger high schools in the area, which included Midland Avenue Collegiate Institute and David and Mary Thomson Collegiate Institute. Another business and technical oriented school in the area close to David and Mary Thomson is Bendale Business and Technical Institute.