Donna Browne asks:
"What is rigor?"
You sure see that word around a lot these days in education circles, so it's definitely a timely question.
Please share your responses in the comments, or, if you prefer, feel free to email them to me.
You can send questions to me at email@example.com.When you send in your question, let me know if I can use your real name if it's selected or if you'd prefer remaining anonymous and have a pseudonym in mind.