Conversation so far:
what social activities was Brahmabandhav Upadhyay involved in?
Brahmabandhav Upadhyay initiated a boys' school in Sindh. He also taught for some time in Union Academy. Brahmabandhab and his disciple Animananda started a school in Kolkata.
what was the school that Brahmabandhav Upadhyay start called?
Viswa Varati was started by Brahmabandhav Upadhyay.
was Viswa Varati a success?
Viswa Varati had three teachers and there were five students. This collaboration could not continue for long and in 1902 Brahmabandhab and Animananda left Shantiniketan.

Question: what other activites was he involved in?
Self-contained rewrite: what other activites was Brahmabandhav Upadhyay involved in besides his starting schools?