That would seem to me to be a waste of valuable time. There's too much non-academic subject matter in public schools as it is, and time spent in prayer/meditation/zoning out is time that could be better spent learning.
If you recall, a couple of decades ago in public schools, every day was opened with the Pledge, a prayer, and Bible reading.
I don’t believe that pray is a waste of valuable time. Once we go that route, it’s over.