A senior "prank" drew the attention of California high school officials earlier this week when a letter — apparently with official school letterhead — stated that all seniors would be inspected in a "highly inappropriate" manner.

The letter circulated among students at North Monterey County High School in Castroville through Snapchat, the school wrote in a Facebook post on Monday. It was made to look official and even included the superintendent's signature, officials said.

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Senior male students, per the letter, were required to undergo "mandatory 'genitalia' inspections," KION-TV reported. It allegedly stated the students would be separated into two categories: circumcised and uncircumcised.

School officials wrote online that they're investigating the letter.

However, the "prank" seemingly received some positive reviews.

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One Facebook user called it "impressive" and said she "[doesn't] even think I'd be mad at my kid" for the letter, noting that it was "grammatically correct."

"Got to give who ever did it a little credit for being creative," another user wrote.