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ELK GROVE VILLAGE, Ill. - After spending more than half a century in the classroom, a west suburban teacher is saying goodbye.
John Prusko is the longest tenured teacher at Grove Junior High School in Elk Grove Village.
The 77-year-old eighth grade science teacher says he's taught over 8,000 students.
Prusko said the biggest change to how he teaches has everything to do with technology.
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But it isn't completely over for him. Prusko says he doesn't just want to retire to the couch.
He says he plans to apply to be a substitute teacher in the fall.