http://y7yea4pmqqtznb33qiugvysyn2bob5v62e4pvoadoibrwkq3tsddjeyd.onion/zh-hans/module/privacy-students
Schools have used this data for automated attendance tracking and management, including for class tardiness and school bus riding, and assigning consequences such as detention. Audiovisual Data : Images, video, and audio of students while they are on school grounds. These can be compared to databases of known audiovisual files to identify a person.