The Gregory School Photo - The Gregory School, as a diverse learning community, challenges and supports students to achieve excellence in character, scholarship, leadership, and innovation and prepares them to make a positive impact in the world through pursuing their passions, appreciating and creating beauty, and solving problems.

Best Arizona Private High Schools Belonging to Independent Schools Association of the South West (ISAS) (2025-26)

For the 2025-26 school year, there is 1 private high school belonging to Independent School Association of the South West (ISAS) serving 367 students in Arizona. You can also find more schools membership associations in Arizona.
The top ranked private high school belonging to Independent School Association of the South West (ISAS) in Arizona is The Gregory School.
The average acceptance rate is 98%, which is higher than the Arizona private high school average acceptance rate of 83%.

Top Ranked Private High Schools Belonging to Independent Schools Association of the South West (ISAS) in Arizona (2025-26)

School
Location
Quick Facts
3231 N Craycroft Rd
Tucson, AZ 85712
(520) 327-6395
Gr: 5-12 | 369 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 35 Tuition listed

Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.