The facade of our school building got a face-lift recently.

Basement : the floor of a building which is partly or entirely below ground level.
Floor : the lower surface of a room, on which one may walk.
Top : the highest or uppermost point, part, or surface of something.
Front : the side or part of an object that presents itself to view or that is normally seen or used first; the most forward part of something.
Facade : the principal front of a building, that faces on to a street or open space.

Synonym of Facade is Front