Taufik Siddique was the head of Bangla department at Government Azizul Haque College.
Ruma Thana OC Shariful Islam said Taufik went missing while taking bath in the Rijuk waterfall at Ruma upazila on Saturday. He was with his wife and child. The other two managed to swim to the bank.
Police and several other teams started looking for him immediately on Saturday afternoon. Later, divers found his body on Sunday morning, the OC added.
No-one from the college responded for requests for comments.