The ICSE pattern of Curriculum which prepares the students for the Indian Certificate of Secondary Examination of the Council for the Indian School Certificate Examination, New Delhi, in the following subjects: English, Hindi, Mathematics, Science, Social Studies , Computer Application and SUPW .
​ Don Bosco School Katihar, being an English-Medium School, makes every effort to teach the students to handle English effectively as a written and spoken language. All the students are expected to converse only in English in the school campus. ​
Hindi and Sanskrit, however, are compulsory subjects as Indian languages, in the three language scheme of secondary education. ​ The student’s personality, initiative and originality are given full scope in creative curricular activities and by involvement and participation in youth groups and movements, sports and games. ​
Social Commitment: Don Bosco School aims at contributing to the building up of a more just and humane society and one worthy of a human being by promoting systematic, social education of the students. Social service projects form an integral part of the school curriculum.