Complex sentence: He joined Aggrawal Middle School in Arrah in 1920, where the medium of instruction was English for the first time, and joined Arrah Town School in 1922, it was here that he faced caste discrimination for the first time, yet remained unfazed.
Split into simpler sentences: He joined Aggrawal Middle School in Arrah in 1920, where the medium of instruction was English for the first time, and joined Arrah Town School in 1922. It was here that he faced caste discrimination for the first time, yet remained unfazed.