Harrison and Hillgrove Make America's Most Challenging High Schools List

Hillgrove and Harrison High schools are two of 11 Cobb County schools included in The Washington Post's list of America’s Most Challenging High Schools.

Harrison is No. 35 and Hillgrove is No. 95 in the state, according to The Post.

Walton High School had the highest ranking of any Cobb County school, coming in at No. 3 on the state list and No. 163 on the national list.

The Post's ranking system calculates the number of advanced placement, international baccalaureate and advanced international certificate of education tests given at a school each year, and divides it by the number of seniors who graduated that year. A ratio of 1.000 means the school had as many tests as graduates.

Other Cobb high schools that made the list include:

• No. 20 in Georgia: Lassiter High School
• No. 44: Campbell High School
• No. 48: Pope High School
• No. 56: Wheeler High School
• No. 65: Sprayberry High School
• No. 67: Kennesaw Mountain High School
• No. 71: Kell High School

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