My school teacher said his hobby is photography. He request all of our classmates to pose for his photography. I asked to see and get a copy of my photo, the teacher refused at first, then offered to sell me the photo.
Employment / Labor Attorney
The situation you describe is disturbing. You should report it to your parents and school officials immediately.
Disclaimer: none of the information contained above is intended as legal advice and, accordingly, should not be relied upon as such. No attorney-client relationship is formed by this communication. Attorney is licensed in California only.