Seniors at a Utah high school received one final spelling lesson at their graduation ceremony.

600 graduates of Fremont High School in Ogden, Utah, were given graduation medals inscribed with the words "Clas of 2015."

Yes, that's "class" with only one "s."

Weber School District spokesman Nate Taggart said that neither the school nor district had advance knowledge of the misspelling.

Fremont Principal Rod Belnap said that he didn’t find out about the mistake until he’d already handed out half of the medals.

Jostens, the company that made the medals, said that it will send out a corrected replacement version to all students.

Watch the "Fox and Friends Weekend" clip above.

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