The SIGGRAPH 2021 Conference will be held virtual again this year, with asynchronous content becomming available August 2, and the synchronous portion taking place August 9 through 13.
There are many sessions of Interest to Educators at the SIGGRAPH conference. You can access the full program on the conference site, this link will get you all the sessions with the keyword "Education": https://s2021.siggraph.org/full-program/?filter1=evtt115
A number of Educationsl Birds of a Feather sessions have been organized by members of the Education Committee and others. Here is a list of the sessions coordinated by Bill Joel: BOFs_S2021.pdf