Private School Review - Established 2003
Wilmington Friends School Photo - Quaker education teaches students that they share in the obligation to answer what is best in themselves and in others--developing talents to the fullest, and respecting the strengths, efforts, and perspectives of all.
Wilmington Friends School

Best Delaware Private Preschools Belonging to National Association of Independent Schools (NAIS) (2026)

For the 2026 school year, there are 7 private preschools belonging to National Association of Independent Schools (NAIS) serving 3,671 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 The Independence School, Tower Hill School, and Wilmington Friends School.
The average acceptance rate is 81%, which is lower than the Delaware private preschool average acceptance rate of 87%.
29% 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 (2026)

School
Location
Quick Facts
Wilmington Friends School
Wilmington Friends School Photo - Quaker education teaches students that they share in the obligation to answer what is best in themselves and in others--developing talents to the fullest, and respecting the strengths, efforts, and perspectives of all.
(Friends)
(1)
101 School Road
Wilmington, DE 19803
(302) 576-2900
Gr: NS-12 | 707 students Avg. class size: 12 students Sports: 14 | Extracurrculars: 39 Tuition listed
The Independence School
The Independence School Photo
(2)
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
St. Annes Episcopal School
St. Annes Episcopal School Photo
(Episcopal)
(1)
211 Silver Lake Road
Middletown, DE 19709
(302) 378-3179
Gr: NS-8 | 294 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 8 Tuition & acceptance rate listed
Sanford School
Sanford School Photo
(2)
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
Gr: NS-12 | 703 students Avg. class size: 13 students Sports: 16 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

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