Complex sentence: Patrick Hennessy was educated in Arbroath at St Thomas RC Primary School followed by secondary education at Arbroath High School, (1927-1933), where he began to show an aptitude for art leaving in 1933 with the Dux for Art and an accompanying medal.
Split into simpler sentences: Patrick Hennessy was educated locally in Arbroath at St Thomas RC Primary School followed by secondary education at Arbroath High School (1927-1933). It was whilst at Arbroath High School that he began to show an aptitude for art leaving in 1933 with the Dux for Art and an accompanying medal.