St Thomas Residential School Naharlagun is established in the year 2001 by Lt.isac cheriyan under Loyola Trust to spread quality education among masses. This is an English medium coeducational, residential school primarily caters to the education needs of the North East. It is open to all goods and earnest students irrespective of caste religion or community.

CO-CURRICULAR ACTIVITIES
The School gives special importance to the healthy growth of the child by encouraging a wide range of sports and Co-curricular activities, St. Thomas School believes in the maxim. ?A sound mind in a sound body?. We follow house system and organize competitions to make the student?s life in the campus very interesting; St. Thomas School involves students in diversified sports and games. In addition to sports we have computer club, literacy club, school parliament, natural club, musical club and science club. Further, the school authorities take special initiatives to arrange study tour to historically important places.