Best private high schools in Illinois

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A class of high schoolers as viewed from the rear.
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- Location: Chicago, IL
- Enrollment: 366 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#30. Chicago Waldorf School
A student filling out a scantron form for a multiple choice test.
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- Location: Wheaton, IL
- Enrollment: 703 (13:1 student to teacher ratio)
- Niche grade: Grade A+

#29. St. Francis High School
A student talking to a teacher in the hallway.
Ground Picture // Shutterstock

- Location: Burbank, IL
- Enrollment: 1,030 (14:1 student to teacher ratio)
- Niche grade: Grade A+

#28. St. Laurence High School
A student standing next to their backpack as seen from the knee down.
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- Location: Wilmette, IL
- Enrollment: 258 (9:1 student to teacher ratio)
- Niche grade: Grade A+

#27. Regina Dominican High School
Students walking down a hallway with their backs facing the camera.
Mircea Moira // Shutterstock

- Location: Oak Park, IL
- Enrollment: 1,197 (14:1 student to teacher ratio)
- Niche grade: Grade A+

#26. Fenwick High School
A high school student doing a chemical experiment.
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- Location: Wilmette, IL
- Enrollment: 2,000 (13:1 student to teacher ratio)
- Niche grade: Grade A+

#25. Loyola Academy
A high school student sitting at a desk writing on a piece of paper.
panitanphoto // Shutterstock

- Location: Naperville, IL
- Enrollment: 128 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#24. Naperville Christian Academy
A student raising their hand in class.
Jacob Lund // Shutterstock

- Location: Chicago, IL
- Enrollment: 150 (4:1 student to teacher ratio)
- Niche grade: Grade A+

#23. Wolcott College Prep
An empty school hallway lined with red lockers.
ImageFlow // Shutterstock

- Location: Rockford, IL
- Enrollment: 248 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#22. Keith Country Day School
A student solving a math equation on a whiteboard.
Ground Picture // Shutterstock

- Location: Skokie, IL
- Enrollment: 220 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#21. Ida Crown Jewish Academy
A row of empty desks with notebooks and pencils on them.
Tyler Olson // Shutterstock

- Location: Champaign, IL
- Enrollment: 58 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#20. Academy High
A hallway lined with green lockers.
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- Location: Chicago, IL
- Enrollment: 353 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#19. Bennett Day School
A side view of a person using a laptop in the school library.
sirtravelalot // Shutterstock

- Location: Deerfield, IL
- Enrollment: 185 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#18. Rochelle Zell Jewish High School
An empty classroom as viewed from the back.
maroke // Shutterstock

- Location: Elgin, IL
- Enrollment: 89 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#17. The Einstein Academy
A pencil case full of pens, pencils, and highlighters spilling on a table.
Studio KIWI // Shutterstock

- Location: Niles, IL
- Enrollment: 362 (10:1 student to teacher ratio)
- Niche grade: Grade A+

#16. Northridge Preparatory School
A group of students walking down the hall with their backs facing the camera.
GagliardiPhotography // Shutterstock

- Location: Northfield, IL
- Enrollment: 442 (11:1 student to teacher ratio)
- Niche grade: Grade A+

#15. Christian Heritage Academy
An overhead view of high school pupils in group study sitting around circular tables.
Monkey Business Images // Shutterstock

- Location: Elgin, IL
- Enrollment: 227 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#14. Elgin Academy
Students using microscopes in science class.
Ground Picture // Shutterstock

- Location: Chicago, IL
- Enrollment: 121 (2:1 student to teacher ratio)
- Niche grade: Grade A+

#13. The Chicago Academy for the Arts
High school students studying and reading together in their school library.
Joyseulay // Shutterstock

- Location: Chicago, IL
- Enrollment: 935 (9:1 student to teacher ratio)
- Niche grade: Grade A+

#12. Francis W. Parker School
Students raising their hands for class participation.
LStockStudio // Shutterstock

- Location: Evanston, IL
- Enrollment: 155 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#11. Beacon Academy
A stack of textbooks with pens on top of them next to an open notebook.
Canva

- Location: Chicago, IL
- Enrollment: 490 (9:1 student to teacher ratio)
- Niche grade: Grade A+

#10. Morgan Park Academy
Two students sharing a book.
Canva

- Location: Chicago, IL
- Enrollment: 1,512 (16:1 student to teacher ratio)
- Niche grade: Grade A+

#9. Saint Ignatius College Prep
A high school student doing classwork on their laptop.
Canva

- Location: Chicago, IL
- Enrollment: 762 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#8. Lycée Français de Chicago
A teacher writing an equation on a blackboard using chalk.
Roman Kosolapov // Shutterstock

- Location: Lake Forest, IL
- Enrollment: 127 (5:1 student to teacher ratio)
- Niche grade: Grade A+

#7. Woodlands Academy of the Sacred Heart
Students' backpacks sitting on a hallway floor.
LBeddoe // Shutterstock

- Location: Chicago, IL
- Enrollment: 1,155 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#6. Latin School of Chicago
Bookshelves at a high school's library.
Canva

- Location: Winnetka, IL
- Enrollment: 547 (7:1 student to teacher ratio)
- Niche grade: Grade A+

#5. North Shore Country Day
A stack of spiral noteboooks in front of a wooden background.
DenisProduction.com // Shutterstock

- Location: Evanston, IL
- Enrollment: 244 (6:1 student to teacher ratio)
- Niche grade: Grade A+

#4. Roycemore School
Two rows of red lockers.
Canva

- Location: Chicago, IL
- Enrollment: 689 (10:1 student to teacher ratio)
- Niche grade: Grade A+

#3. British International School of Chicago, South Loop
Empty desks in a high school classroom.
Anna Jurkovska // Shutterstock

- Location: Chicago, IL
- Enrollment: 2,051 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#2. The University of Chicago Laboratory Schools
A closeup of a student taking notes in class.
Canva

- Location: Lake Forest, IL
- Enrollment: 445 (6:1 student to teacher ratio)
- Niche grade: Grade A+

This story features data reporting by Wade Zhou, writing by Emma Rubin, and is part of a series utilizing data automation across 50 states.

#1. Lake Forest Academy
LightField Studios // Shutterstock