Conversation so far:
where did Bhaktisiddhanta Sarasvati go to school?
Bhaktisiddhanta Sarasvati Goswami started his formal education at an English school at Ranaghat
did Bhaktisiddhanta Sarasvati go to any other school?
In 1881 Bhaktisiddhanta Sarasvati Goswami was transferred to the Oriental Seminary of Calcutta

Question: what did he study?
Self-contained rewrite: what did Bhaktisiddhanta Sarasvati study?