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Illinois Private Schools with the Most Educated Faculty

Name: Illinois Average Faculty With Advanced Degrees Trends (All Private Schools)
Creator: Private School Review
License: https://www.privateschoolreview.com/terms

The average percentage of private school faculty in Illinois who have attained an advanced degree is 53% (2026-27).

The private school in Illinois with the highest percentage of their faculty having advanced degrees is Howard Area Leadership Academy, Rose Hall Montessori School, and Most Holy Redeemer Elementary School, among others each with 100% of their faculty having obtained an advanced degree.

Quick Facts (26-27)

# IL Schools Ranked: 336
Top 20 Range (Faculty W/ Adv. Degree): 95%–100%
IL School Avg.: 53%
National School Avg.: 54%

Quick Facts (26-27)

# IL Schools Ranked: 336
Top 20 Range (Faculty W/ Adv. Degree): 95%–100%
IL School Avg.: 53%
National School Avg.: 54%

Illinois Average Faculty With Advanced Degrees (Trends)

Showing 2016–2025. View full 14-year historical data

Total Growth: +8.2% (+4% since 2016)

View Data

Year	National avg	Illinois (IL) avg
2025	55%	53% (▲ 1 pp)
2024	54%	52% (▲ 2 pp)
2023	54%	50% (▼ 1 pp)
2022	54%	51% (▲ 1 pp)
2021	54%	50% (— 0 pp)
2020	54%	50% (— 0 pp)
2019	53%	50% (▲ 1 pp)
2018	53%	49% (▲ 1 pp)
2017	53%	48% (▼ 1 pp)
2016	52%	49% (▼ 1 pp)
2015	52%	50% (▲ 1 pp)
2013	52%	49% (— 0 pp)
2012	52%	49%

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Source: National Center for Education Statistics (NCES) Private School Universe Survey (PSS), direct school submissions, and proprietary website research and analysis by Private School Review.

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Show school map — Illinois (faculty w/ adv. degree range: 95%–100%, avg 53%)

Advanced Degree Range: 90% 100% Avg. Advanced Degree: 96%

Frequently Asked Questions

What is the average percentage of private schools faculty in Illinois who have attained an advanced degree?

The average percentage of private schools faculty in Illinois who have attained an advanced degree is 53% for 2026-27.

Which private schools in Illinois have the highest percentage of faculty with advanced degrees?

The top ranked private schools in Illinois with the highest percentage of faculty having advanced degrees include Hello Montessori Preschool & Kindergarten, Howard Area Leadership Academy and Montessori Language Academy.

Which private high school and private elementary school in Illinois have the highest percentage of faculty with advanced degrees?

The private high school in Illinois with the highest percentage of their faculty having advanced degrees is Howard Area Leadership Academy, with 100% of their faculty having obtaining an advanced degree. The private elementary school with highest percentage of their faculty having advanced degrees is Most Holy Redeemer Elementary School, with 100% of their faculty having obtaining an advanced degree.

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