High school is supposed to be the final foundation stone of a good education. A new ranking declares that there are 10 high schools in Illinois that aren't achieving that. Based on their data, here are the 10 worst high schools in the state of Illinois.

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First, a bit of a disclaimer. I'm always suspicious of raw data. When I look at lists like the one just shared by School Digger, I wonder if some of these schools have different testing methods that aren't measured by their methodology? My point is that if you are really considering where you or your children should go to high school, check out the full data they've shared or even better, just do your own research.

Out of 699 Illinois high schools, here are the 10 that rank at the bottom of the School Digger list.

Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Here are the 10 worst high schools in Illinois according to School Digger.
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Some takeaways other than my suspicion about possible different testing methods? First of all, these schools showed single digit testing score averages which (if accurate) is catastrophic. Second, many are in the Chicago area.

There are also lots of factors taken into account for these rankings including number of teachers and how much money the school district spends on its students. Check out the full School Digger data to draw your own conclusions.

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Gallery Credit: Illinois Secretary of State

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