Police in Storm Lake, IA say the students were sending naked pictures of local kids to each other.
Police tell KELOLAND News all together 9-kids were involved.
They're from a handful of towns in northwest Iowa and there are at least two more kids as far away as Washington state.
Three of the teens are charged with felonies.
Police say this is a reminder to talk to your kids at home about the consequences of sexting.
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Seven kids as young as 13-years old, face charges related to sexting.