Trinity English School is an institution of the Bongaigaon Circle under Bongaigaon Diocese, NELC and is run on the principles, methods and moral through out the world. The constant effort of the staff is to develop the individual personality of each pupil and bring out those qualities which are best and noblest in him/her.

English is the medium of instruction for all the subjects except for the MIL like Assamese, Boro and Hindi. The course of instruction comprises all the branches of the education prescribe as that of Assam.