Best private high schools in Delaware

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A student raising their hand in class.
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- Location: Greenwood, DE
- Enrollment: 212 (11:1 student to teacher ratio)
- Niche grade: Grade B-

#23. Greenwood Mennonite School
An empty school hallway lined with red lockers.
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- Location: Milford, DE
- Enrollment: 119 (9:1 student to teacher ratio)
- Niche grade: Grade B

#22. Milford Christian School
A student solving a math equation on a whiteboard.
Ground Picture // Shutterstock

- Location: Newark, DE
- Enrollment: 64 (8:1 student to teacher ratio)
- Niche grade: Grade B

#21. Towle Institute
A row of empty desks with notebooks and pencils on them.
Tyler Olson // Shutterstock

- Location: Georgetown, DE
- Enrollment: 412 (15:1 student to teacher ratio)
- Niche grade: Grade B+

#20. Delmarva Christian Schools
A hallway lined with green lockers.
SEALANDSKYPHOTO // Shutterstock

- Location: Dover, DE
- Enrollment: 321 (13:1 student to teacher ratio)
- Niche grade: Grade B+

#19. Calvary Christian Academy
A side view of a person using a laptop in the school library.
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- Location: Hockessin, DE
- Enrollment: 441 (9:1 student to teacher ratio)
- Niche grade: Grade A-

#18. Wilmington Christian School
An empty classroom as viewed from the back.
maroke // Shutterstock

- Location: Wilmington, DE
- Enrollment: 840 (16:1 student to teacher ratio)
- Niche grade: Grade A-

#17. Saint Mark's High School
A pencil case full of pens, pencils, and highlighters spilling on a table.
Studio KIWI // Shutterstock

- Location: Wilmington, DE
- Enrollment: 320 (10:1 student to teacher ratio)
- Niche grade: Grade A-

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

- Location: Bear, DE
- Enrollment: 93 (7:1 student to teacher ratio)
- Niche grade: Grade A

#15. Aquinas Academy
An overhead view of high school pupils in group study sitting around circular tables.
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- Location: Wilmington, DE
- Enrollment: 128 (6:1 student to teacher ratio)
- Niche grade: Grade A

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

- Location: Wilmington, DE
- Enrollment: 591 (9:1 student to teacher ratio)
- Niche grade: Grade A

#13. Padua Academy
High school students studying and reading together in their school library.
Joyseulay // Shutterstock

- Location: Bear, DE
- Enrollment: 185 (12:1 student to teacher ratio)
- Niche grade: Grade A

#12. Fairwinds Christian School
Students raising their hands for class participation.
LStockStudio // Shutterstock

- Location: Bear, DE
- Enrollment: 404 (8:1 student to teacher ratio)
- Niche grade: Grade A

#11. Red Lion Christian Academy
A stack of textbooks with pens on top of them next to an open notebook.
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- Location: Wilmington, DE
- Enrollment: 427 (10:1 student to teacher ratio)
- Niche grade: Grade A

#10. Ursuline Academy
Two students sharing a book.
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- Location: Wilmington, DE
- Enrollment: 915 (13:1 student to teacher ratio)
- Niche grade: Grade A

#9. Salesianum School
A high school student doing classwork on their laptop.
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- Location: Bear, DE
- Enrollment: 1,108 (15:1 student to teacher ratio)
- Niche grade: Grade A

#8. Caravel Academy
A teacher writing an equation on a blackboard using chalk.
Roman Kosolapov // Shutterstock

- Location: Wilmington, DE
- Enrollment: 614 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#7. The Tatnall School
Students' backpacks sitting on a hallway floor.
LBeddoe // Shutterstock

- Location: New Castle, DE
- Enrollment: 178 (9:1 student to teacher ratio)
- Niche grade: Grade A+

#6. Delaware Valley Classical School
Bookshelves at a high school's library.
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- Location: Hockessin, DE
- Enrollment: 640 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#5. Sanford School
A stack of spiral noteboooks in front of a wooden background.
DenisProduction.com // Shutterstock

- Location: Claymont, DE
- Enrollment: 529 (10:1 student to teacher ratio)
- Niche grade: Grade A+

#4. Archmere Academy
Two rows of red lockers.
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- Location: Wilmington, DE
- Enrollment: 743 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#3. Wilmington Friends School
Empty desks in a high school classroom.
Anna Jurkovska // Shutterstock

- Location: Wilmington, DE
- Enrollment: 860 (8:1 student to teacher ratio)
- Niche grade: Grade A+

#2. Tower Hill School
A closeup of a student taking notes in class.
Canva

- Location: Middletown, DE
- Enrollment: 320 (4:1 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. St. Andrew's School
LightField Studios // Shutterstock