The ingredients included nearly 2,500 kg of Indian breads, 1,400 kg of vegetables, 100 kg of 'paneer' (cottage cheese), 500 kg of pasta, 35 kg ketchup and 25 kg of cream.
Over 160 students of the school participated in the effort to make the sandwich in over three hours.
Students said that the sandwich was India-Italian fusion - a combination of Indian breads and Italian fillings.
"The students made this effort. We wanted them to do a unique thing to show what teamwork and self-confidence can do," said school principal Gurpreet Kaur.