There are many arabic language schools for foreigners that use the web to advertise their courses.Some even offer online courses.Most Arabic schools are located in an arab country.
This language school in Egypt offers courses in both Modern Standard & Egyptian Colloquial Arabic; it also tailors courses for groups or individuals who are learning Arabic for special purposes. http://www.kalimategypt.com
Offers comprehensive full-time and part-time courses in classical Arabic aimed at English speakers, taught by western-born traditionally-trained scholars. http://www.shariahprogram.ca/
Short Arabic language courses offered on the Sinai Peninsula, Egypt, and organized by the Blue Beach Travel agency. Bilingual site (English and German). http://www.sinai.ch/
An institution teaching classical and colloquial Yemeni Arabic. Includes a profile, and briefs on accommodation, facilities, fee structure and cultural activities. http://www.ylcint.com/
The Institute offers classes in Modern Standard Arabic, Classical Arabic, and Egyptian Colloquial Arabic at the elementary, intermediate, and advanced levels. http://www.aucegypt.edu/academic/ali/
An Arabic immersion school based in Portland, Oregon, that teaches Arabic language, Islamic and Social Studies, Mathematics, and Science, using the Arabic language. http://www.thearabicschool.org
The Gulf Arabic Program located in Al Ain (United Arab Emirates) provides Arabic language training to people planning to work in the Persian Gulf. http://www.gapschool.net/
Offering private and group instruction in Modern Standard Arabic as well as in colloquial Egyptian, Gulf-Saudi, Iraqi, Lebanese, Moroccan, and Palestinian Arabic. http://www.pacificarabic.com