"values" are in the eyes of the holders of power. he who has the most power has the better values.
If you believe that religious slogans should be posted in classrooms, then surely posting all of the following would add even more to the positive values of school children:
There is no God but Allah, and Muhammad is his Prophet.
The Eight-Fold Path consists of right understanding, right thoughts, right speech, right action, right livelihood, right endeavor, right mindfulness, and right concentration.
Each individual creates his own destiny by his thoughts, words and deeds.
The Tao abides in non-action, yet nothing is left undone.
An ye harm none, do what ye will.
Live evolved on earth through natural processes over the last 3 ½ billion years.
terry; now that would consitute freedom of religion, but, alas, that is not on the agenda, nor is freedom from religion.