Based on the presentations done by the Outreach and Engagement SC with the Nextgen students at the ICANN56 and ICANN57 meetings is this Introduction to ICANN At-Large presentation.
This can be used by any ALS to help explain What is At-Large, Key Activities done by At-Large, How to engage in At-Large.
At-Large-Outreach-EngagementSC-Introduction-to-ICANN-At-Large-January2017.pptx
At-Large-Outreach-and-Engagement-SC-January2017.pdf