Sullivan High School
Recent News About Sullivan High School
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How many students were enrolled in Cook County in 2021-22 school year?
Enrollment numbers in Cook County schools fell from the previous year, according to the Illinois State Board of Education.
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Cook County Education: Which school had most students enrolled in 2021-22 school year
In the 2021-22 school year, Lane Technical High School had the biggest enrollment among Cook County schools.