Seven of eight Jacobs High School students participating in a senior prank have promised, by written letter, to behave at Saturday's commencement and will be allowed at the ceremony, an official said Thursday.
One senior did not write the promise letter as requested and will skip the commencement ceremony for reasons unrelated to the prank, said Allison Strupeck, spokeswoman for Community Unit District 300.
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She declined to discuss the reasons.
The May 9 prank involved students pouring liquids on a tarp at the school and sliding on it and the slippery floor for several minutes between periods. The Algonquin school was briefly on lockdown to clean up the mess, and officials never found out who planned the prank.
There is no evidence the eight students questioned about the prank organized it, but administrators caught them sliding in the hallway. In order to walk with their classmates, the eight had to write a letter promising to behave at graduation.
Students who don't walk at graduation must pick up their diplomas in person.