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Illinois Private Schools By Tuition Cost

The average private school tuition in Illinois is $12,436 per year (2026-27).

The private elementary school average tuition cost is $10,904 per year and the private high school average is $15,812 per year.

The private school with the lowest tuition cost is San Miguel School, with a tuition of $1,050.

Quick Facts (2026-27)

# IL Schools Ranked: 552
Top 20 Range (Tuition): $1,050–$2,350
IL School Avg.: $12,436
National School Avg.: $12,181

Quick Facts (2026-27)

# IL Schools Ranked: 552
Top 20 Range (Tuition): $1,050–$2,350
IL School Avg.: $12,436
National School Avg.: $12,181

Illinois Average Tuition Cost (Trends)

View Data

Year	Illinois (IL) avg
2025	$12,671
2024	$9,594
2023	$8,924
2022	$8,609
2021	$8,334
2020	$8,312
2019	$8,068
2018	$7,898
2017	$7,863
2016	$7,289
2015	$7,003

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Show school map — Illinois (tuition range: $1,050–$2,350, avg $12,436)

Tuition Cost Range: $1,050 $2,885 Avg. Tuition Cost: $2,124

Frequently Asked Questions

What is the Illinois average private schools tuition?

The Illinois average private schools tuition is $12,436 for 2026-27.

What are the private schools with the lowest tuition cost in Illinois?

The top ranked private schools in Illinois include San Miguel School, All Day Montessori and Creative Montessori Learning Center.

What is private high school and private elementary school with lowest tuition cost in Illinois?

The private high school with lowest tuition cost in Illinois is New Hope Christian Academy, with a tuition of $2000. The private elementary school with lowest tuition cost is San Miguel School, with a tuition of $1050.

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