Complex sentence: He studied at Stonyhurst College, Lancashire, between 1973 and 1980 and studied law at Kingston University (1980--1983), before being admitted to the Bar in 1985 (England and Gibraltar).
Split into simpler sentences: He studied at Stonyhurst College, Lancashire, between 1973 and 1980 and studied law at Kingston University (1980--1983). He was admitted to the Bar in 1985 (England and Gibraltar).