Complex sentence: Established in 1986 by R. I. T. Alles, former State Secretary of Education and a prominent educationist in Sri Lanka, the Gateway Group's subsidiaries include international schools, graduate education and professional training throughout the country and abroad.
Split into simpler sentences: Established in 1986 by R. I. T. Alles former State Secretary of Education and a prominent educationist in Sri Lanka. The Gateway Group's subsidiaries include international schools, graduate education and professional training through out the country and abroad.