 In 1956 the school band played for the visit to India of the Shah of Iran.Since 1958, ACPA has held the status of a higher secondary educational institution.In 1999, the High Court of West Bengal on a petition by a non-Armenian, Sonia John, Justice Sujit Sinha of the Calcutta High Court ordered that the Catholicos of the Armenian Apostolic Church would 'administer the school' in terms of the submissions made in the application to the Calcutta High Court.