2018 Best Private K-12 Schools in IllinoisAbout this List

The 2018 Best Private K-12 Schools ranking is based on rigorous analysis of key statistics and millions of reviews from students and parents. Ranking factors include SAT/ACT scores, the quality of colleges that students consider, student-teacher ratio, private school ratings, and more. Data sourced from the U.S. Department of Education, Niche users, and the schools directly. Read more on how this ranking was calculated.

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2018 Best Private K-12 Schools in Illinois