City Montessori School [CMS], Lucknow, India
The Largest school in terms of pupils is the City Montessori School in Lucknow, India, which had a record enrolment of 39,437 children on 9 August 2010 for the 2010-11 academic year. The school admits boys and girls between ages two and five, who can then continue their education to degree level. In 2002, it won the UNESCO Prize for peace way since Jagdish Gandhi and his wife Bharti first opened it in 1959 with a loan of just 300 rupees ($63, £22). Then it had a grand total of five pupils!