Out of approximately 682 public high schools and 146 non-public high schools in Illinois, 65 Illinois high schools were named to the Washington Post’s list. Fewer than 10 percent of high schools nationally make the list.
Homewood-Flossmoor High School was ranked 55th.
The Washington Post list ranks schools through an index formula that uses the following ratio: the number of Advanced Placement, International Baccalaureate and Advanced International Certificate of Education tests given at a school each year, divided by the number of seniors who graduated in May or June of that year.
In releasing the list, the Washington Post also notes the percentage of students who come from families that qualify for lunch subsidies and the percentage of graduates who passed at least one college-level test during their high school career, called equity and excellence.