Click below to read 9to5Google's article about 49-person grid view and background blur, coming to Google Meet on the web.
Google Meet starts rolling out 49-person grid view, background blur:
As previewed last month, Google is starting to launch a handful of pre-announced features for Meet. Background blur and being able to see up to 49 people simultaneously is coming to Google Meet in the coming weeks.
This is going to be huge for teachers. Read the entire article. They explain how to set everything up once this feature rolls out to you.