Illinois Lutheran High School Top 16 · Highest Avg. SAT Score (IL)

Naperville Christian Academy Top 3 · Highest Avg. SAT Score (IL)

Lake Forest Academy Top 3 · Highest Avg. SAT Score (IL)

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Average Private High School SAT Scores in Illinois

The averageprivate high school SAT score in Illinois is 1259 (2026-27).

The private high school in Illinois with the highest SAT score is Naperville Christian Academy, with an SAT score of 1498.

Quick Facts (2026-27)

# IL Schools Ranked: 17
Top 20 Range (Avg SAT): 1062–1498
IL School Avg.: 1259
National School Avg.: 1241

Quick Facts (2026-27)

# IL Schools Ranked: 17
Top 20 Range (Avg SAT): 1062–1498
IL School Avg.: 1259
National School Avg.: 1241

Illinois Average SAT Score (Trends)

View Data

Year	Illinois (IL) avg
2025	1258
2024	1260
2023	1245
2022	1242
2021	1252
2020	1246
2019	1239

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Show school map — Illinois (avg SAT range: 1062–1498, avg 1259)

Sat Score Range: 1062 1498 Avg. Sat Score: 1259

Frequently Asked Questions

What is the Illinois average private high schools SAT score?

The Illinois average private high schools SAT score is 1259 for 2026-27.

What are the private high schools with the highest SAT score in Illinois?

The top ranked private high schools in Illinois include Naperville Christian Academy, Lake Forest Academy and British International School of Chicago-South Loop.

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