Great ideas by Larry Ferlazzo at http://larryferlazzo.edublogs.org/2018/02/10/the-best-resources-for-doing-classroom-observations/
Lear more and watch examples of various forms of EL collaboration opportunities.
Use this for file sharing: Three Alternatives to DropItToMe for File Collection at http://www.freetech4teachers.com/2017/05/three-alternatives-to-dropittome-for.html?m=1
Created by one of my graduate students:
One of my graduate students sharing with the ESL coordinator: