A student teacher at Portland's Lincoln High School intending to show students a clip from "Saving Private Ryan" accidentally showed his American History class a nude photo.

The Portland State University student can't teach in Portland Public Schools.

The Oregonian newspaper reports that the student teacher had gathered the students around his laptop computer to watch the movie clip for a World War II discussion. Instead, he clicked on a file that brought up a nude photo. It was on the screen for a few seconds before he could close it.

When the supervising teacher came back, no one mentioned the incident. But word got back to the school after a student casually told her doctor about it that afternoon. Parents were notified.

Neither PSU nor the Portland school district would identify the student teacher.