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OKOBOJI, Iowa -- A northern Iowa teacher was arrested while chaperoning at his school's prom.

Okoboji teacher Royce Van Roekel, 33, was arrested Saturday after someone reported a drunken teacher at prom.

Milford police say Van Roekel had blood-alcohol content more than twice the legal limit at 0.191. He was arrested, booked into jail, and later pleaded guilty to public intoxication.

One parent told KTIV that teachers are supposed to set examples for students.

"They don't want them (the students) coming to the prom drunk or with drugs on them, so why would the teacher be allowed to,” said Stacy Lockey.

The Okoboji Community Schools’ superintendent declined to comment on the case but did say the school is handling the situation "administratively."

Van Roekel resigned from his position on Tuesday.