The male voice is not pronouncing the 'e' on the end of Schule. Is that an acceptable pronunciation?
April 2020, still the male voice doesn't pronounce the "e" of Schule. He says: Shul
would not 'sie ist eine internationale Schule' be more grammatically correct?
While it is grammatically possible to use sie here, it is common to use es for the formal / impersonal subject in a sentence with sein (= to be) as copula.