Our listing of graduates from Illinois includes over 610,000 alumni from 1,922 schools in 685 cities. The alumni list contains approximately 6.3% of the people 18 and over that could be high school graduates. If you can't find your high school friends in our alumni list, try the search box above to search all over the web to reconnect with other Illinois graduates.
The U.S. Census estimates that approximately 922,000 people in IL are ages 15 to 19 and could currently be attending high school. Illinois is also home to approximately 367,000 people ages 18-19 that are the normal age to be high school seniors. Approximately 7% of Illinois's population is the age to attend high school, and 3% are the normal age to be high school seniors.
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