Rocky, you got me looking for the moment of silence issue too and here are some things I found.

American Atheists | School Prayer FAQs

Texas: Atheist Family Suing Over Minute of Silence Law

Carrollton atheists believe moment of silence is unconstitutional | www.pegasusnews.com | Dallas/Fort Worth

Judge: Moment-of-silence law unconstitutional - Chicago Breaking News

That is why a "moment of silence" will never work because some atheists still would not be happy..