The school was affiliated to the Central Board of Secondary Education (CBSE), Delhi and accepted both female and male students. As the years went by the initial number of 90 students increased rapidly and the Management added improved infrastructure in terms of buildings, playground, music room, audio visual room, library, computer laboratory and other facilities. Today St. Arnold?s Higher Secondary School Vijaynagar has over 2000 students guided by a pool of 75 well trained teachers and ably assisted by an efficient support staff.