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

For the 2026 school year, there are 12 private schools belonging to National Association of Independent Schools (NAIS) serving 3,056 students in Arizona. You can also find more schools membership associations in Arizona.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Arizona include Verde Valley School, The Gregory School, and All Saints' Episcopal Day School.
The average acceptance rate is 73%, which is lower than the Arizona private school average acceptance rate of 87%.
33% of private schools belonging to National Association of Independent Schools (NAIS) in Arizona are religiously affiliated (most commonly Episcopal and Catholic).

Quick Facts (2026)

  • # Private Schools: 12

Quick Facts (2026)

  • # Private Schools: 12

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

The Gregory School Photo
The Gregory School
Gr: 5-12 | 376 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 36
3231 N Craycroft Rd
Tucson, AZ 85712
(520) 327-6395
(11)
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All Saints' Episcopal Day School Photo
All Saints' Episcopal Day School
Gr: PK-8 | 546 students
Avg. class size: 16 students
Sports: 10 | Extracurriculars: 4
Episcopal
6300 N Central Avenue
Phoenix, AZ 85012
(602) 274-4866
(4)
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Green Fields School Photo
Green Fields School
Gr: K-12
Avg. class size: 12 students
Sports: 8
6000 N Camino De La Tierra
Tucson, AZ 85741
(520) 297-2288
(4)
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International School of Arizona Photo
International School of Arizona
Gr: NS-8 | 371 students
Avg. class size: 14 students
Sports: 1 | Extracurriculars: 8
Specialized Curriculum
9522 E. San Salvador Dr.
Scottsdale, AZ 85258
(480) 874-2326
(5)
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International School Of Tucson Photo
International School Of Tucson
Gr: NS-8 | 284 students
Avg. class size: 16 students
Sports: 2 | Extracurriculars: 7
Specialized Curriculum
1701 E Seneca Street
Tucson, AZ 85719
(520) 406-0552
(4)
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Map of Lourdes Catholic School
Lourdes Catholic School
Gr: PK-12 | 282 students
Catholic
555 E Patagonia Hwy
Nogales, AZ 85621
(520) 287-5659
(1)
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Map of New Way Academy
New Way Academy
Gr: K-12 | 212 students
Avg. class size: 9 students
Sports: 9 | Extracurriculars: 6
Special Education School
5048 East Oak Street
Phoenix, AZ 85008
(602) 389-8600
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Map of St. Francis Of Assisi School
St. Francis Of Assisi School
Gr: PK-8 | 244 students
Catholic
700 W 18th St
Yuma, AZ 85364
(928) 782-1539
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St. Michael's School Photo
St. Michael's School
Gr: PK-8 | 277 students
Avg. class size: 14 students
Sports: 5 | Extracurriculars: 7
Episcopal
602 N Wilmot Rd
Tucson, AZ 85711
(520) 722-8478
(15)
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Verde Valley School Photo
Verde Valley School
Gr: 9-12 | 99 students
Avg. class size: 12 students
Sports: 17 | Extracurriculars: 5
3511 Verde Valley School Road
Sedona, AZ 86351
(928) 284-2272
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Castlehill Country Day School Photo
Castlehill Country Day School
Gr: NS-5 | 154 students
Avg. class size: 18 students
Extracurriculars: 11
3225 N Craycroft Rd
Tucson, AZ 85712
(520) 795-0008
(4)
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Summit School Photo
Summit School
Gr: NS-8 | 211 students
Avg. class size: 16 students
Sports: 5 | Extracurriculars: 11
4515 East Muirwood Dr
Phoenix, AZ 85048
(480) 403-9500
(6)
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Frequently Asked Questions

What are the top ranked private schools belonging to National Association of Independent Schools (NAIS) in Arizona?
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Arizona include Verde Valley School, The Gregory School, and All Saints' Episcopal Day School.
How many private schools belonging to National Association of Independent Schools (NAIS) are located in Arizona?
12 private schools belonging to National Association of Independent Schools (NAIS) are located in Arizona.
How diverse are private schools belonging to National Association of Independent Schools (NAIS) in Arizona?
Arizona private schools belonging to National Association of Independent Schools (NAIS) are approximately 42% minority students, which is higher than the Arizona private school average of 39%.
What percentage of private schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in Arizona?
33% of private schools belonging to National Association of Independent Schools (NAIS) in Arizona are religiously affiliated (most commonly Episcopal and Catholic).
12
Private Schools
3,056
Students
$23,686
Avg. Tuition
42%
Students of Color
8:1
Student-Teacher Ratio

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