Complex sentence: Under principal John G. "Jack" Linscott from 1963 until 1984, the school was considered a leader in Ontario in combining technical and trades education with superior academic achievement, and later widely recognized for its trendsetting International and English as a Second Language programs.
Split into simpler sentences: Under principal John G. "Jack" Linscott from 1963 until 1984, the school was considered a leader in Ontario in combining technical and trades education with superior academic achievement. The school later became widely recognized for its trendsetting International and English as a Second Language programs.