I thought it would be interesting to make a list of films, you think would most definitely be on a film students syllabus more than once throughout their university/college career.
Battleship Potemkin (Sergei Eisenstein 1925)
Meshes of the Afternoon (Maya Deren 1943)
Singin' in the Rain (Stanley Donen, Gene Kelly 1952)
Rear Window (Alfred Hitchcock 1954)
Metropolis (Fritz Lang 1927)
The Lumiere Bros First Films
L'Étoile de Mer (Man Ray 1928)
Man With a Movie Camera (Dziga Vertov 1929)
A Trip to the Moon (Georges Méliès 1902)
The Bicycle Thief (Vittorio De Sica 1948)
The Cabinet of Dr. Caligari (Robert Wiene 1920)
Un Chien Andalou (Luis Bunuel 1929)
Anything by Godard
Anything by Antonioni
Anything by Kurosawa