Complex sentence: He and his family migrated to Singapore when he was 10 years old and he received his primary education at Rangoon Road Primary School before enrolling in Victoria School for his secondary education where he passed his Senior Cambridge examination in 1940.
Split into simpler sentences: He and his family migrated to Singapore when he was 10 years old. When he was young, he received his education at Victoria School where he passed his Senior Cambridge examination in 1940.