I don't believe there is an age. I think one is elected into the position democratically.
At the age of 12.
A senior nun who is appointed - called a Mother Superior
She felt that god was calling her to become a nun at the age of twelve so at 18 she became a nun and at 21 she made her vows to be a nun.
No, it is not the same. Mother Superior is the title given to the nun in charge of a convent.
Mother Superior
no, by age 12 she was certain she wanted to become one herself.
At the age of 12 or 13 she became convinced that she had a vocational calling to become a nun.
The "Mother Superior" is the highest ranking nun, the one who supervises the convent.
No, because nuns are not employed. Any complaints against a nun are referred to her mother superior (abbess) and, if not resolved, are referred to the local bishop.
No, Aga remained in the home caring for her mother. She neither married nor became a nun.
Mother Teresa was a religious sister and sister do not marry.
This is because she decided to become a nun and entered into the Order of the Sisters of Our Lady of Loreto in Ireland, 1928.