DDPS Fiesta is an annual cultural fest celebrated between 19 December to 23 December during which various inter house competitions are organized.

The grades are categorized as follows:
Group I: Grade 1 - 5
Group II: Grade 6 - 8
Group III: Grade 9 - 12

Further the students follow the school's traditional House System. There are
four houses - Indira, Sarojini, Nehru and Tagore. The house serves as a platform
for the students to exhibit their skill in various activities. Every house celebrates
the annual fiesta which comprises of a play, debate, solo performances ,
Spellathon (the Spelling Bee contest) along with a House Report which
presents the achievements of the house. A multitude of activities such as Quiz
contests, poem recitation and painting competitions are also held to encourage
the spirit of competition among the houses.