Moscow School of the Order of St Catherine
The Moscow School of the Order of St Catherine (Russian: Московское училище ордена Святой Екатерины) was a girls' school in Moscow, Russia, between 1802 and 1918. It was a fashionable girl school for students from noble and rich burgher families (divided in different classes until 1842).
Source: Wikipedia — Moscow School of the Order of St Catherine (CC BY-SA 4.0)