The U.S. Census, which needs to do anything it can do to make it look better after the Trump Administration’s attempt to politicize (see The Best Articles Explaining Why It Would Be Terrible To Add An Immigration Status Question To The Census), has unveiled an updated Statistics In Schools program.
You can read more about the program at Education Dive.
After giving the resources a very perfunctory review, I wouldn’t put it on The Best Places To Find Free (And Good) Lesson Plans On The Internet list, but you might find some of it useful.
I’d say if teachers want to do anything about the Census with their class, the best thing is to have student-led efforts to increase public participation.
You can read about how we did that in the last go-around at The Best Resources To Learn About The U.S. Census.