A computer-based system like this is an opportunity to remove all personal details from an assignment while grading it, it baffles me that this isn't the defaul

A computer-based system like this is an opportunity to remove all personal details from an assignment while grading it, it baffles me that this isn't the default. The database could tag every assignment with a UUID4, and present them for grading top-to-bottom in UUID lexical order, without exposing who is being graded in any way. You can't fix fatigue bias, but this would distribute it randomly. It also removes the opportunity for favoritism and hostility, subconscious or otherwise, which is probably more important. Once grading is completed, the assignments are reconnected with students. Give the profs a way to mark assignments with metadata, sometimes they need to talk to a student personally about something, this should be made easy. Grades can't be immutable, professors need discretion in that, but it would leave an audit trail if professors maliciously modified grades (or the opposite). That should be uncommon to begin with, but both professors and students benefit from an audit trail here. A system like this should be used whenever it's practical, and always for high-stakes tests like midterms and finals. Not making a case against oral exams here, just that when it's possible to blind the grading process, it should be.