Libertyville High School has been named the 15th most challenging high school in Illinois in recently released rankings from the Washington Post, which includes fewer than 10 percent of high schools nationally.
The ranking is a slight drop from last year when Libertyville High School was ranked 14th on the list.
Nearby, Grayslake Central received a ranking of No. 18 on the prestigious list while Grayslake North also made the list, ranked as the 34th most challenging high school in the state.
In Illinois only 65 high schools of the 682 public high schools and 146 non-public high schools in the state were named to the Washington Post’s list.
College Prep School of America in Lombard was ranked as the most challenging high school in Illinois.
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.
Source: Glenbard Township High School District 87 press release