Complex sentence: Leong was raised catholic and attended school at Nan Hua Primary School, St. Joseph's Institution where he won his first singing competition in 1997, Serangoon Junior College and graduated in 2007 from The National University of Singapore with a degree in Political Science.
Split into simpler sentences: Leong was raised catholic and received his primary school education at Nan Hua Primary School, secondary school education at St. Joseph's Institution where he won his first singing competition in 1997 and junior college education in Serangoon Junior College. Leong finished his academic life graduating in 2007 from The National University of Singapore with a degree in Political Science.