The average private high school endowment in Arizona is $416.8M (2026).
The private high school in Arizona with the highest endowment is Northland Christian School, with a endowment of $5000M.
Endowment Range: $1.8M
$5000M
Avg. Endowment: $416.8M
Average Private High School endowment in Arizona (2026)
School
Endowment
Grades
Location
Rank: #11.
Northland Christian School![Northland Christian School Photo]( "Northland Christian School Photo")
(Baptist)
Endowment: $5000 M
Grades: K-12
8000 N Us Highway 89
Flagstaff, AZ 86004
(928) 526-0327
Flagstaff, AZ 86004
(928) 526-0327
Rank: #2 - 82. - 8.
Endowment: $50 M
Grades: 6-12
7541 S Willow Dr
Tempe, AZ 85283
(480) 525-6197
Tempe, AZ 85283
(480) 525-6197
Rank: #2 - 82. - 8.
Centennial Academy
(Latter Day Saints)
Endowment: $50 M
Grades: 10-12
265 W Cannon Ave
Colorado City, AZ 86021
(928) 875-2203
Colorado City, AZ 86021
(928) 875-2203
Rank: #2 - 82. - 8.
Devereux
Special Education School
Endowment: $50 M
Grades: K-12
6436 E Sweetwater Ave
Scottsdale, AZ 85254
(800) 345-1292
Scottsdale, AZ 85254
(800) 345-1292
Rank: #2 - 82. - 8.
Fusion Academy Scottsdale![Fusion Academy Scottsdale Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.]( "Fusion Academy Scottsdale Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.")
Alternative School
Endowment: $50 M
Grades: 6-12
8700 N. Gainey Center Drive, Suite 150
Scottsdale, AZ 85258
(877) 673-8893
Scottsdale, AZ 85258
(877) 673-8893
Rank: #2 - 82. - 8.
Endowment: $50 M
Grades: PK-12
3901 E. Stanford Dr.
Paradise Valley, AZ 85253
(602) 955-8200
Paradise Valley, AZ 85253
(602) 955-8200
Rank: #2 - 82. - 8.
San Pedro Valley Academy
All-boys | Alternative School
Endowment: $50 M
Grades: 9-12
6107 E Grant Rd
Tucson, AZ 85712
(520) 457-9057
Tucson, AZ 85712
(520) 457-9057
Rank: #2 - 82. - 8.
Endowment: $50 M
Grades: 9-12
3511 Verde Valley School Road
Sedona, AZ 86351
(928) 284-2272
Sedona, AZ 86351
(928) 284-2272
Rank: #99.
Endowment: $38 M
Grades: 9-12
4602 N 31st Ave
Phoenix, AZ 85017
(602) 973-4000
Phoenix, AZ 85017
(602) 973-4000
Rank: #1010.
Endowment: $20 M
Grades: 7-12
4701 W Thunderbird Rd
Glendale, AZ 85306
(602) 543-8274
Glendale, AZ 85306
(602) 543-8274
Rank: #1111.
Seton Catholic Preparatory![Seton Catholic Preparatory Photo - Post graduation, 99% of Seton Catholic Prep students go on to attend college and universities, and the other 1% enters into the military or workforce.]( "Seton Catholic Preparatory Photo - Post graduation, 99% of Seton Catholic Prep students go on to attend college and universities, and the other 1% enters into the military or workforce.")
(Catholic)
Endowment: $7 M
Grades: 9-12
1150 N. Dobson Road
Chandler, AZ 85224
(480) 963-1900
Chandler, AZ 85224
(480) 963-1900
Rank: #1212.
Endowment: $2 M
Grades: 8-12
1000 Orme School Rd.
Mayer, AZ 86333
(928) 632-1566
Mayer, AZ 86333
(928) 632-1566
Rank: #1313.
St. Michael Indian School![St. Michael Indian School Photo - Roman Catholic Religion and Theology classes taught at every level. Weekly mass. All faiths welcome to the school. It is not a requirement to be Catholic to attend.]( "St. Michael Indian School Photo - Roman Catholic Religion and Theology classes taught at every level. Weekly mass. All faiths welcome to the school. It is not a requirement to be Catholic to attend.")
(Catholic)
Endowment: $1.8 M
Grades: PK-12
1 Lupton Rd (PO Box 650)
Saint Michaels, AZ 86511
(505) 979-5590
Saint Michaels, AZ 86511
(505) 979-5590
Frequently Asked Questions
What is the Arizona average private high schools endowment?
The Arizona average private high schools endowment is $416.8M for 2026.
What are the private high schools with the highest endowment in Arizona?
The top-ranked private high schools in Arizona include Northland Christian School, Autism Academy For Education & Development and Centennial Academy.
Recent Articles
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.
