32% of the student body was sick so they closed the school.
[link to www.dglobe.com]
Illness closes doors at Worthington Christian School
It's a small school. Many Christian schools are.

You'll start seeing these as principals from public schools have decide based upon fed/state tax dollars from census thresholds. If it dips too low then they don't break even and must close based upon economics as well as to minimize contagion.

Missouri is getting hit hard
[link to www.stltoday.com]

The main issue is how to handle this. A lot parents are not only both working but now in this economy working perhaps partime too on top of their regular job.

Now you have schoolkids at home, and mostly latchkey. They get bored, then hang out, maybe at a near by public park, pass around their germs, come home, pass it to families.

It's a complex issue. Technically they should stay home.