A premissa da sua pergunta está incorreta:
The website of the consulate I am applying at (http://www.consulfrance-losangeles.org/spip.php?article2904) does not provide information on what type of documentation to show for temporary stay at a university.
Na verdade, o item 4 dessa página é
4- Short stay visa for studies (90 days or under)
Isso vincula-se ao link , incluindo uma seção intitulada "Requisitos do aplicativo", que tem como item 12 (ênfase adicionada)
12 — PROOF OF ACCOMMODATION
- Confirmed hotel reservations for your entire stay in the Schengen states or a letter from the school listing the full address of accommodation and length of stay. Your dates of accommodation must match your flight reservations (arrival and departure date in the Schengen area).
- or, if you are staying with friends or family, original of "Attestation d’Accueil" that your host has to request at the City Hall (Mairie) in France + ONE COPY