User blog comment:Kronika X Cetrion/Pure Good Proposal: Ms. Valerie Frizzle/@comment-2059440-20191009191550

unsure on this as she strikes me as eccentric rather than pure of heart and you can argue she regularly endangers the entire class in these bizarre adventures and doesn't seem to function on normal morality - she's more like a mischievious but well-meaning witch than anything else, mixed with a dash of benevolent mad scientist.