This isn’t a secret anything. Recent court cases have ruled that these topics are protected with no exceptions under FERPA ( Family Educational Rights and Privacy Act ) which starts from the baseline that everything protected by default, then in the same manner as the constitution, it carves out from a place of absolute protection the specific areas and pieces of information that can be disclosed and to who, specifically, that information can be released. There are no carved-out conditions for the 4 pieces of information in the video. For a public school teacher, while a distant one, is an arm of the government to do so would be a civil rights violation by the teacher against the student. One that the teacher, not the district, would be personally liable for.
Project Veritas are such a slimy group of propagandists.