If you are talking about a laboratory at school, which word would you use

If we talking about a laboratory at school, we may have some options;
Science lab: laboratorio de ciencias.
Computer lab: laboratorio de computación
Speech lab: laboratorio de fonética o pronunciación.

it is important to know that not all the schools have all the labs, it might change according to the school or the needs of that comunity. 

No favorite at all but inferno is cool

You lose experience for asking questions.  you gain experience for answering questions.i hope this !