Complex sentence: Seth R.J.J. High School is one of the oldest schools in Navsari, India, it was founded in 1846, by Sir Jamsetjee Jeejebhoy, an Indian merchant, and philanthropist.
Split into simpler sentences: Seth R.J.J. High School is one of the oldest schools in Navsari, India. It was founded in 1846 by Sir Jamsetjee Jeejebhoy, an Indian merchant and philanthropist.