...however, I'm a public employee. I don't have the right to present my religious beliefs in front of students on school time no matter if I practice a Christian religion, Wicca, Islamic, Satanism, Voodoo, Hinduism etc...etc...
Accordingly, the First Amendment forbids religious activity that is sponsored by the government but protects religious activity that is initiated by private individuals, and the line between government-sponsored and privately initiated religious expression is vital to a proper understanding of the First Amendment's scope. As the Court has explained in several cases, "there is a crucial difference between government speech endorsing religion, which the Establishment Clause forbids, and private speech endorsing religion, which the Free Speech and Free Exercise Clauses protect." [ 3 ]
Guidance on Constitutionally Protected Prayer in Public Elementary and Secondary Schools