He was MVP, with 20 points.
The tweet was in response to a Duncan op-ed in The Washington Post.
The education secretary laments that American parents aren't as serious as South Koreans when it comes to education.
Trinity Washington University President Patricia McGuire slams the Education Department.
She invites him to visit the suburbs.
"Their child isn’t as brilliant as they thought they were," he said, referring to lowered scores on tests aligned to the Common Core Standards.
The education secretary is taking eight department aides with him.
He starts out by bashing his critics rather than talking up the work he is doing.
Arne Duncan and California officials are in a big fight over education reform.
Colbert's sharp interview technique stayed home when Duncan visited the Colbert Report's set. Watch the video.