The school began in the 1970s with 60 students and four teachers in two classrooms. The school's motto is "to strive, to seek, to find and not to yield". It is an ISO 9001 : 2000 certified school.
Kulachi has two wings across Ashok Vihar.
The school had 7,500 students on its roll in 2005, 300 teachers and a non-teaching staff of 150 in four campuses. It is under the guidance of Chairman Padamshree G. P. Chopra and Mrs. P. Datta (National Awardee).