"Dunbar claims she's a "big fan" of Thomas Jefferson, but thinks a "secular humanistic ideology" has clouded current interpretations of his work. So she cuts him out of the standards on the Enlightenment and its influence on the US' founding documents, instead substituting in pre-enlightenment figures like Thomas Aquinas and John Calvin."
From droithomme's comment:
"When this story first came out last year claiming that Thomas Jefferson was removed from the curriculum because he was an atheist (which he was not), I went and looked at the actual differences made to the state standards so I could have a laugh. [...]"