Does anyone know any Music schools in Rome, Italy- Paris, France, and Vienna, Austria?

Answer 1

Your question is very wide.
Of course all these towns have music schools, they are the capitals of countries. Most likely they have all levels of musical education, from beginners to masterclasses for top professional singers and musicians.
And all kinds of music, classical, jazz, pop, rock, .....

So please specify what you are looking for, what level, what kind of music and what instrument or voice. Than we can advice you better.
Now it is like you asking for a music school in New York.

Answer 2

I would pick Rome, Italy. Their is so much to see and do in Italy because of the culture, people, cities, food.