Public school faculty are expected to devote their energies to teaching whatever subject they have been assigned, not engaging in efforts to change the religious views of their students.
Most teachers follow this rule and are happy to do so. They recognize that parents have the right to control the religious upbringing of their children and have no desire to interfere in that process.
But occasionally a bad apple surfaces. When that happens, it's up to school officials to make sure the classroom remains a place for teaching, not preaching. Read more