Edmodo is a huge community that allows teachers and students to be connected. I created an account that I will use with my high level groups: https://www.edmodo.com/joepinetreebush
Here you will find more suggestions to keep on learning English, though not necessarily related to studying English language. Links to websites you may be interested in.
Please, feel free to make any comments if you like, that is what a blog is all about...
OFFICIAL SCHOOL OF LANGUAGES:
HIGH QUALITY LANGUAGE EDUCATION