But Andrea Hernandez, 15, stopped wearing the badge on religious grounds, saying it was the "mark of the beast".

BBC: Pupil Hernandez, who refused to wear RFID, loses appeal

But Miss Hernandez said the badge was the "mark of the beast", as described in chapter 13 of the Book of Revelation in the Bible.

BBC: Pupil Hernandez, who refused to wear RFID, loses appeal