Conversation so far:
Where did Bhaktisiddhanta Sarasvati go to school?
Bhaktisiddhanta Sarasvati started his formal education at an English school at Ranaghat.
Did Bhaktisiddhanta Sarasvati go to any other schools for his education besides the English school at Ranaghat?
In 1881, Bhaktisiddhanta Sarasvati was transferred to the Oriental Seminary of Calcutta
Where did Bhaktisiddhanta Sarasvati go to school in 1883?
In 1883, Bhaktisiddhanta Sarasvati was enrolled in a local school in Serampore of Hooghly.
Did Bhaktisiddhanta Sarasvati go to any religious schools?
In 1885 Kedarnath Datta established the Vishva Vaishnava Raj Sabha. Bhaktisiddhanta Sarasvati's was inspired to undertake an in-depth study of Vaishnava texts, both classical and contemporary.

Question: What did he do after he received his education?
Self-contained rewrite: What did Bhaktisiddhanta Sarasvati do after he received his education?