Pitt's a Proud Papa in Prague

5/11/2007 1:35 PM PDT BY TMZ STAFF

Brad Pitt dropped off son Maddox at a school in Prague yesterday morning. We're guessing it went down something like this:

Teacher: "What did you bring for Show and Tell today, Maddox?"

Maddox: "Brad Pitt."

Teacher: "You get an A++!"