The Gregory School Photo - Small class sizes and outstanding faculty allow students to delve deeply into subjects, pursue their passions, and discover new interests. Learn about academics: www.gregoryschool.org/academics

Best Arizona Private Schools Belonging to Independent Schools Association of the South West (ISAS) (2025)

For the 2025 school year, there are 2 private schools belonging to Independent Schools Association of the South West (ISAS) serving 881 students in Arizona. You can also find more schools membership associations in Arizona.
The top ranked private schools belonging to Independent Schools Association of the South West (ISAS) in Arizona include The Gregory School and All Saints' Episcopal Day School.
The average acceptance rate is 88%, which is higher than the Arizona private school average acceptance rate of 87%.
50% of private schools belonging to Independent Schools Association of the South West (ISAS) in Arizona are religiously affiliated (most commonly Episcopal).

Top Ranked Private Schools Belonging to Independent Schools Association of the South West (ISAS) in Arizona (2025)

School
Location
Grades
Students
The Gregory School
The Gregory School Photo - Small class sizes and outstanding faculty allow students to delve deeply into subjects, pursue their passions, and discover new interests. Learn about academics: www.gregoryschool.org/academics
(11)
3231 N Craycroft Rd
Tucson, AZ 85712
(520) 327-6395
Grades: 5-12
| 367 students
All Saints' Episcopal Day School
All Saints' Episcopal Day School Photo - The sixth grade class trip to Bisbee
(Episcopal)
6300 N Central Avenue
Phoenix, AZ 85012
(602) 274-4866
Grades: PK-8
| 514 students

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