ABC Action News reports a 6th grade math/social studies teacher has been arrested after child pornography was found on his laptop.Robert JamesPlotkin, 57, has been teaching math and social studies at Clearwater Intermediate School for five years.Parents tell ABC Action News, they are shocked to learn a man they trusted to teach dozens of students is now in jail."Disgusting," said Mary Bouderau. "Disgusting. I think it's it's appalling."On March 15, his roommate called the police after finding child pornography on his computer. While Largo police were on the way, Plotkin threw his laptop into a lake behind the apartment complex.