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Sanford School Photo

Top 5 Best Delaware Private Preschools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 8 private preschools belonging to National Association of Independent Schools (NAIS) serving 3,751 students in Delaware. You can also find more schools membership associations in Delaware.
The top ranked private preschools belonging to National Association of Independent Schools (NAIS) in Delaware include Tower Hill School, The Tatnall School, and Wilmington Friends School.
The average acceptance rate is 87%, which is higher than the Delaware private preschool average acceptance rate of 85%.
25% of private preschools belonging to National Association of Independent Schools (NAIS) in Delaware are religiously affiliated (most commonly Episcopal and Friends).

Top Ranked Private Preschools Belonging to National Association of Independent Schools (NAIS) in Delaware (2025)

School
Location
Grades
Students
Wilmington Friends School
Wilmington Friends School Photo - Technology, including the one-to-one program for all students preschool - 12th grade, supports collaborative learning at Friends. The point is not the hardware but what it makes possible in teaching and engaging students in 21st century skills.
(Friends)
(1)
101 School Road
Wilmington, DE 19803
(302) 576-2900
Grades: NS-12
| 687 students
The Independence School
The Independence School Photo
(2)
1300 Paper Mill Road
Newark, DE 19711
(302) 239-0332
Grades: NS-8
| 433 students
St. Annes Episcopal School
St. Annes Episcopal School Photo
(Episcopal)
(1)
211 Silver Lake Road
Middletown, DE 19709
(302) 378-3179
Grades: NS-8
| 294 students
Sanford School
Sanford School Photo
(2)
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
Grades: NS-12
| 685 students
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
Grades: NS-12
| 486 students
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
Grades: NS-12
| 860 students
The Pilot School
The Pilot School Photo - Our 50 acre campus provides ample opportunities for our students to learn outside the traditional school walls. Surrounded by 2,000 acres of parkland, our campus was built with nature at its center and this is woven into the curriculum and into free time.
Special Education School
(4)
208 Woodlawn Road
Wilmington, DE 19803
(302) 478-1740
Grades: PK-8
| 144 students
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
Grades: NS-8
| 162 students

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