Is it legal for the school to collect students' fingerprints without their consent?
No, it must be illegal for the school to do so. You can think about it. After shopping in the supermarket, it is illegal for security guards to search themselves, let alone fingerprints. You can find someone if you know your fingerprints, which is equivalent to an ancient autograph. This is very important. However, I don't think it's a big problem in your school. There are so many people with you ... Don't worry. ...