The possessive form for the noun gymnasium is gymnasium's.Example: The gymnasium's floor was refinished over the summer.
The plural of gymnasium is gymnasiums or gymnasia.
Gymnasium
gymnasium's
A gymnasium is to do gymnastics and be safe doing it
The German word for gymnasium is Turnhalle.
Chekhov Gymnasium was created in 1809.
Åva gymnasium was created in 1970.
Kristelig Gymnasium was created in 1913.
Edwards Gymnasium was created in 1905.
Valjevo Gymnasium was created in 1870.
Uzhhorod Gymnasium was created in 1613.