Complex sentence: A girl named Archana Kshtriya took part in English National Level competitions.St thomas School's karate team won many district level and national level competitions.A boy Gikshit in St thomas School won a National Level Kick boxing game.
Split into simpler sentences: A girl named Archana Kshtriya took part in English National Level competitions. St Thomas School's karate team won many district level and national level competitions.A boy Gikshit in St Thomas School won a national-level kick-boxing game.