this people will help you , my son, did it last year with his class,
http://www.xanascat.cat/choosenodelang.tjc?id=1&lang=en
its another youth center that groups the above plus others
http://www.tujuca.com/en/index.html
they have multilingual staff so I am sure they speak English too as we did it in French.meeting the locals in their homes for my kids school trip

