It was a little more extreme than Ferris Bueller's day off.

Prosecutors say a Sacramento-area man was convicted Friday of contributing to the delinquency of a minor by allowing his son to skip school dozens of times.

District Attorney Jan Scully said in a news release that a jury convicted Dino Otto after "an extremely long history of neglecting his obligation as a parent to make sure his child attended school."

During the 2007-08 school year, Otto's son had 34 unexcused absences, leading to a school attendance review board hearing, Scully's office said. The hearing led to Otto signing a contract agreeing to "ensure his son attend school," Scully's office said.

The result?

The kid missed school another 30 times between September 2008 and March 2009, Scully's office said.

The child and his school were not named, but online court records illustrate what a lengthy process ensued as a result of the class cutting.

The first court hearing in the case was Aug. 11, 2009, and over the course of the next 21 months, 50 court