I want to hear from the teacher. I read some quotes that sounded rational to me. As a fellow Christian, I want to know if he did this. If he did, he should be fired. However, there is an anti-Christian bias in the educational world and they hate anyone who calls themselves a Christian and so I am withholding judgment until I hear his defense.
Read the article. He admits to branding them but says it was an X, not a cross.
If you look at the photo, it is a cross, not an X.