Complex sentence: The School was initially set up to cater to the South Indian population in Kolkata and made a modest beginning in 1913 under the name of Anglo-Tamil Girls School at Champatala, Howrah.
Split into simpler sentences: The school was set up to cater to the South Indian population in Kolkata. It began in 1913 under the name of Anglo-Tamil Girls School at Champatala, Howrah.