Thanks to the great Nik Peachey, I just learned about a site called Your Agora.
It’s designed for teachers of English Language Learners to create free virtual classrooms for their students.
They’ve got lots of materials, and it seems pretty easy to set-up and use.
Here’s a video about it:
I’m adding it to:
The Best Online Homework Sites For English Language Learners – Please Offer Your Own Suggestions
The Best Sites Where Students Can Work Independently & Let Teachers Check On Progress