Largest school by pupils
City Montessori School
61,345 people
India (Lucknow)

The largest school in terms of pupils is the City Montessori School in Lucknow, Uttar Pradesh, India, which had a total enrolment of 61,345 pupils as of 10 August 2023 across 21 campuses in the city. The school was founded by Dr Jagdish Gandhi and his wife Dr Bharti Gandhi (both India), who launched their first campus in 1959 in rented premises with only five students.

The school admits children from the age of three, who can then follow through their education all the way to senior secondary level. Its motto is “Jai Jagat” ("Hail the World").

City Montessori School was the recipient of the 2002 UNESCO Prize for Peace Education – the only school ever to have received this award.