All Saints' Episcopal Day School Photo

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

For the 2026 school year, there are 8 private preschools belonging to National Association of Independent Schools (NAIS) serving 2,369 students in Arizona. You can also find more schools membership associations in Arizona.
The top-ranked private preschools belonging to National Association of Independent Schools (NAIS) in Arizona include Lourdes Catholic School, All Saints' Episcopal Day School, and St. Michael's School.
The average acceptance rate is 77%, which is lower than the Arizona private preschool average acceptance rate of 90%.
50% of private preschools belonging to National Association of Independent Schools (NAIS) in Arizona are religiously affiliated (most commonly Episcopal and Catholic).

Top-Ranked Private Preschools Belonging to National Association of Independent Schools (NAIS) in Arizona (2026)

School
Location
Quick Facts
St. Michael's School
St. Michael's School Photo - Nestled on three acres in east-central Tucson, St. Michael's School blends academic excellence with an open, spiritual atmosphere. Designed in Pueblo Revival style by famed Swiss-born architect Josias T. Joesler, our campus reflects the warmth and beauty of the Southwest, creating a space where students feel inspired, connected, and ready to learn.
(Episcopal)
(15)
602 N Wilmot Rd
Tucson, AZ 85711
(520) 722-8478
Gr: PK-8 | 277 students Avg. class size: 14 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed
All Saints' Episcopal Day School
All Saints' Episcopal Day School Photo
(Episcopal)
(4)
6300 N Central Avenue
Phoenix, AZ 85012
(602) 274-4866
Gr: PK-8 | 546 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 4 Tuition & acceptance rate listed
International School of Arizona
International School of Arizona Photo
Special Program Emphasis
(5)
9522 E. San Salvador Dr.
Scottsdale, AZ 85258
(480) 874-2326
Gr: NS-8 | 371 students Avg. class size: 14 students Sports: 1 | Extracurrculars: 8 Tuition & acceptance rate listed
International School Of Tucson
International School Of Tucson Photo - When science hits the roof!!
Special Program Emphasis
(4)
1701 E Seneca Street
Tucson, AZ 85719
(520) 406-0552
Gr: NS-8 | 284 students Avg. class size: 16 students Sports: 2 | Extracurrculars: 7 Tuition listed
Lourdes Catholic School
(Catholic)
(1)
555 E Patagonia Hwy
Nogales, AZ 85621
(520) 287-5659
Gr: PK-12 | 282 students
St. Francis Of Assisi School
(Catholic)
700 W 18th St
Yuma, AZ 85364
(928) 782-1539
Gr: PK-8 | 244 students Tuition listed
3225 N Craycroft Rd
Tucson, AZ 85712
(520) 795-0008
Gr: NS-5 | 154 students Avg. class size: 18 students Extracurrculars: 11 Tuition & acceptance rate listed
Summit School
Summit School Photo - Toddler through 8th grade Nationally Accredited
(6)
4515 East Muirwood Dr
Phoenix, AZ 85048
(480) 403-9500
Gr: NS-8 | 211 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 11 Tuition & acceptance rate listed

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