Languages

ASCD 

English as a Second Language Help

BBC`s Languages Page

CK-12

Self-Guided Learning: All School Subjects

Creative Commons

Open Source Images

ESL Gold .com

English as an Additional Language

Khan Academy

Multi-Disciplinary Resources, Guides and exercises

Mezzofanti Guild

Italian

PBS Learning Media

Multi-Disciplinary 

Shakespeare App

UnSplash

*Open Source Images

Using English.com

English Language Learners

Wide Open School

Common Sense Media School Resources