If ever a question should be raised regarding Christian principles being taught in public schools, the definite answer should be "No." If Christian principles were taught via the Bible, it would exclude other religions, force Christianity upon students, and it would also violate your rights.
By teaching Christian principles, it would exclude religions unlike Christianity--Hinduism, Buddhism, Judaism, and many others. If a student were already of the Christian faith, they would have an easier time adjusting to the world of ideas it would bring. Non-Christians may struggle with this new way of thinking and may never get accustomed to it. Students already of the Christian faith would also learn faster because they have been taught those principles in Church already. These advantages may cause jealousy or hatred toward the Christian students that will not improve the learning environment.
Consequently, if Christian principles were taught, it would be forcing students to believe in its faith and practices. A student may be of a religion completely opposite to Christianity, but will have Christian values forcefully taught to them. It would go against everything they already believe in, and students may even lose faith in their current religion. The definition of religion, according to Webster, is: a personal set or institutionalized system of religious attitudes, beliefs, and practices. Personal, meaning "your own," which only you choose. By forcing Christianity defeats the purpose of choosing something you believe in. A student wouldn't take the philosophy taught to them seriously if they didn't want to believe in it.
Furthermore, it is written in the Bill of Rights that there must be a separation between church and state. If you wanted to learn Christianity, you could go to Church on your own time, or enroll in a Christian private school, where it is acceptable to be taught religion. En...