Private School Review - Established 2003
Wilmington Montessori School Photo - Primary (3- to 6-year-old) Program - Preschool and Kindergarten - Students work together to create the Montessori Pink Tower.
Wilmington Montessori School

Best Delaware Private Preschools Belonging to Association of Delaware Valley Independent Schools (ADVIS) (2026)

For the 2026 school year, there are 4 private preschools belonging to Association of Delaware Valley Independent Schools (ADVIS) serving 1,967 students in Delaware. You can also find more schools membership associations in Delaware.
The top-ranked private preschools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware include The Independence School, The Tatnall School, and Tower Hill School.
The average acceptance rate is 77%, which is lower than the Delaware private preschool average acceptance rate of 87%.

Top-Ranked Private Preschools Belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware (2026)

School
Location
Quick Facts
The Independence School
The Independence School Photo
(3)
1300 Paper Mill Road
Newark, DE 19711
(302) 239-0332
Gr: NS-8 | 470 students Avg. class size: 19 students Sports: 11 | Extracurrculars: 13 Tuition listed
The Tatnall School
The Tatnall School Photo - Tatnall's 110-acre campus is located just west of Wilmington in Greenville, Delaware. Housing a National Wildlife Federation-accredited schoolyard habitat, five outdoor classrooms and bordering the Downs Nature Conservancy, the spacious campus provides expansive playing fields and opportunities for outdoor environmental study.
(13)
1501 Barley Mill Road
Wilmington, DE 19807
(302) 892-4296
Gr: NS-12 | 486 students Avg. class size: 12 students Sports: 15 | Extracurrculars: 9 Tuition listed
Tower Hill School
Tower Hill School Photo - Tower Hill School resides on a 44-acre campus with state-of- the-art athletic facilities and impressive academic and arts areas.
2813 W 17th Street
Wilmington, DE 19806
(302) 575-0550
Gr: NS-12 | 849 students Avg. class size: 15 students Sports: 17 | Extracurrculars: 24 Tuition & acceptance rate listed
Wilmington Montessori School
Wilmington Montessori School Photo - Primary (3- to 6-year-old) Program - Preschool and Kindergarten - Students work together to create the Montessori Pink Tower.
Montessori School
(1)
1400 Harvey Road
Wilmington, DE 19810
(302) 475-0555
Gr: NS-8 | 162 students Avg. class size: 13 students Sports: 2 | Extracurrculars: 13 Tuition listed

Recent Articles

How Private Schools Handle Dual Enrollment Courses
How Private Schools Handle Dual Enrollment Courses
Learn how private schools manage dual enrollment programs, college partnerships, scheduling, credits, and student support in 2026.
Private Schools Offering Hybrid Learning Models
Private Schools Offering Hybrid Learning Models
Learn how private schools are adopting hybrid learning models, what families should evaluate, and how flexible education is evolving in 2026.
How Elite Private Schools Partner With Tech Companies
How Elite Private Schools Partner With Tech Companies
Discover how elite private schools are partnering with tech companies to reshape curriculum, STEM education, AI literacy, and career readiness.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (DE):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: