Hey there's an awesome new school that offers three specialized certificates focused on character modeling. VANAS School.

Course 1 - Sci Fi Character Modeling (http://www.vanas.ca/home/index.php/courses/advanced-class-science-fiction-hard-surface-sculpting)

Course 2 - The Character Art Test (http://www.vanas.ca/home/index.php/courses/advanced-class-character-art-studio-test)

Course 3 - Anatomy Character Modeling (http://www.vanas.ca/home/index.php/courses/advanced-class-human-anatomy)

These courses also give credit to their Character Animation Diploma. Canadian Accredited.
Can all be taken online!