Complex sentence: Holy Cross Convent High School is an all-girls school located in K'Villa, Thane, Maharashtra, India, which was founded in 1964 and celebrates its Golden Jubilee in 2014.
Split into simpler sentences: Holy Cross Convent High School is an all-girls school located in K'Villa, Thane, Maharashtra, India. It was founded in 1964 and celebrated its Golden Jubilee in 2014.