We studied U.S. foreign policy in/during the Reagan 'Administration'. [=during the time when Reagan was President]
The editorial criticizes the college's 'administration' for not taking a stand on the issue.
He works in hospital 'administration'. [=his work involves management of a hospital]
(..) and to wish you a pleasant stay. It isn't often we have so distinguished a visitor. Thank you. I hope you'll forgive me, captain. The present French administration hasn't always been so cordial. May I present Miss llsa Lund? I was told you were the most beautiful woman to visit Casablanca. (..)1942 Casablanca