"Setting our teachers on fire is only asking our students to burn along with them," Malorie Weber wrote in her resignation letter.
Student journalists for a high school newspaper blasted Betsy DeVos in an op-ed after the teens say they were turned away from a discussion on education.
A student tweeted that his professor was charging to write letters of recommendation, and hundreds reply in outrage.
"My daughter was dress coded again today," mom Amber Parungao wrote on Facebook. "The assistant principal made her take her jacket off so that she could dress code her for what she was wearing underneath."