“In short, this specific infraction is forcibly being judged on a different standard than other infractions. And again, since the federal government is mandating this, I can’t see any way that this isn’t a violation of civil rights.”

No it’s not. Again, school proceedings are not legal proceedings. I don’t have to determine that a student is cheating “beyond a reasonable doubt.” Hell, I don’t even TECHNICALLY need a preponderance of evidence. I can turn you in for citing something incorrectly.