The Dutch chess player, who received an official warning, said she did not intend to violate the dress code when she wore her canvas Burberry sneakers at a chess championship in Uzbekistan.
Darryl George, who wears locs, had just returned to Barbers Hill High School in Texas after being sent to a disciplinary school. Officials suspended him over his hair again on Tuesday.
The death of Armita Geravand comes after word of her injuries fueled outrage because she was so young and because of previous cases in which women have been brutalized for protesting dress codes.