Nyquist, the Government cannot pay teacher salaries in parochial schools, even for teachers of secular subjects or for special education. If the government paid these salaries, they would need to monitory if secular or religious material were being taught to see if excessive entanglement exists. If there is excessive entanglement, it is a violation of the establishment clause and can no longer pay these salaries. We can assume that is why the school was shut down.
Next, Fletro growing out his hair, changing his wardrobe and name and blasting his music is expressive speech. The First Amendment of the constitution protects these actions done by Fletro in that they are symbolic methods of speech. Symbols, signs and other methods of expression are generally protected by the 1st Amendment. If Fletro were to cause harm, or incite harm by performing any of these actions, or if any reasonable person were to feel threatened, then his speech would not be