I don't know about the Illinois Constitution, so I may be out of line.
In any case, how can a moment of silence endorse any Religion? It means that the Christian, Jew, Hindu, Buddhist, satanist, or muzzy can all pray to their own God and the atheist can just remain silent. A moment of silence will not make an atheist a Religious person.
The students of the Colonial era studied the Bible as part of their cirriculum. Every early state constitution mentions God in their texts. What this tyrant judge ruled is unconstitutional. And yes...the man is a fool in black judicial robe that he is sooo underserving of.