The Washington Post has ranked what it considers the top high schools in the country when it comes to challenging their students.
The ranking looks at the number of Advanced Placement, International Baccalaureate and Advanced International Certificate of Education tests taken at the school and the school's graduation rate.
Here are the top three most challenging high schools in Wisconsin:
#1 - Eastbrook Academy
The Washington Post ranked Eastbrook Academy, a small Christian voucher school on Milwaukee's north side, as Wisconsin's most challenging high school and 175th most challenging in the nation.
Four-year graduation rate: 100%
Average ACT score: 24.9
Number of AP / IB courses: 12
#2 - Marshfield High School
Marshfield High School, the public high school in Marshfield, Wisconsin, is ranked Wisconsin's second most challenging and 346th in the nation.
Four-year graduation rate: 99%
Average ACT score: 23.8
Number of AP / IB courses: 29
#3 - Rufus King International School - High School Campus
Milwaukee Public Schools' Rufus King is ranked Wisconsin's third most challenging high school and 504th in the nation.
Four-year graduation rate: 98%
Average ACT score: 20.0
Number of AP / IB courses: 24
Thirty-one Wisconsin high schools made the national list, with most located in Milwaukee County or surrounding counties.