(Portland, OR) -- A Gresham teacher has been arrested in a child sex abuse sting from Bothell, Washington. Oscar Ramirez teaches high school in the Gresham-Barlow School District. He contacted an undercover officer online who was posing as a 13-year-old girl. He arranged to meet the girl while her parents were away. A Multnomah County grand jury indicted Ramirez for luring and online sexual corruption of a child.