Private School Review - Established 2003
The Gregory School Top 10 · Most AP Courses (AZ)
Phoenix Country Day School Top 3 · Highest Avg. SAT Score (AZ)
All Saints' Episcopal Day School Top 4 · Lowest Acceptance Rate (AZ)

Arizona Private Schools Belonging to Independent Schools Association of the Southwest (ISAS)

Private schools: For the 2026-27 school year, there are 3 private schools belonging to Independent Schools Association of the Southwest (ISAS) serving 922 students in Arizona.
Acceptance rate: The average acceptance rate is 44%, which is lower than the Arizona private school average acceptance rate of 87%.
Affiliations: 50% of private schools belonging to Independent Schools Association of the Southwest (ISAS) in Arizona are religiously affiliated (most commonly Episcopal).
Top schools: The top ranked private schools belonging to Independent Schools Association of the Southwest (ISAS) in Arizona include Phoenix Country Day School, All Saints' Episcopal Day School, and The Gregory School.

Quick Facts (26-27)

  • # Private Schools: 3

Quick Facts (26-27)

  • # Private Schools: 3

Top Ranked Private Schools Belonging to Independent Schools Association of the Southwest (ISAS) in Arizona (2026-27)

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
(5)
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Phoenix Country Day School Photo
Phoenix Country Day School
Gr: PK-12 | 741 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 19
3901 E. Stanford Dr.
Paradise Valley, AZ 85253
(602) 955-8200
(4)
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Frequently Asked Questions

What are the top ranked private schools belonging to Independent Schools Association of the Southwest (ISAS) in Arizona?
The top ranked private schools belonging to Independent Schools Association of the Southwest (ISAS) in Arizona include Phoenix Country Day School, All Saints' Episcopal Day School, and The Gregory School.
How many private schools belonging to Independent Schools Association of the Southwest (ISAS) are located in Arizona?
3 private schools belonging to Independent Schools Association of the Southwest (ISAS) are located in Arizona.
What percentage of private schools belonging to Independent Schools Association of the Southwest (ISAS) are religiously affiliated in Arizona?
50% of private schools belonging to Independent Schools Association of the Southwest (ISAS) in Arizona are religiously affiliated (most commonly Episcopal).
2
Private Schools
922
Students
$23,470
Avg. Tuition
32%
Students of Color
8:1
Student-Teacher Ratio

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