Wilmington, DE · K–12
Last verified August 20, 2026
1501 Barley Mill Rd, 19807 · (302) 998-2292
Enrollment
487
Student:teacher
9:1
Published tuition
$16,500–$38,500
Application fee
—
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Tuition by division
We don't have a grade-by-grade tuition breakdown for this school yet. The published range across all divisions is $16,500–$38,500. Most independent schools charge different rates for preschool, elementary, middle and upper school.
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Head of school
Alli Williams
Head of School
Dr. Alli Williams has been appointed as Tatnall’s next Head of School, effective July 1, 2026. She is the 13th Head of School and is married to Pete, with children Prue and Woody.
Curriculum & special classes
Financial aid
The school offers an Individualized Family Tuition program based on demonstrated financial need, using the Clarity Application to assess household income, assets, and expenses.
Before & after school care
Before school
Not listed
After school
Extended Day
Cost
Not listed
Extended-care hours and rates change yearly — parents can correct these below.
Admissions
We don't have deadlines, requirements or an acceptance rate for this school yet. Most independent schools post an admissions timeline in the fall — the school's website is linked below.
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