Classical Arabic

http://studioarabiya.com/
https://www.madinaharabic.net/

Studio Arabiya recently started group classes with senior instructors. These group classes include preparation for Cambridge exams.

Books:
Qasas al-Nabiyeen (4 Volume Set) قصص النبيّين


Curriculum Resources:
http://www.arabicforall.net/en/products

Volunteers:
People who can provide practice for spoken Arabic (preferably standard and not a dialect)