Should a teacher keep a student after school for refusing to take part in The Pledge of Allegiance?

Question

Answer 1

No, of course not, as long as the student in question is not being disruptive; he otherwise has every right to be a fool.

That was settled 6-3 by the Supreme Court in 1943. 

Answer 2

The Pledge of Allegiance... on a fundamental level... does not matter

Answer 3

N0