#1 Best Private Schools in Arizona
International School of Tucson
Independent school · Grades Pre-K–8
The smallest classes of any independent school in Tucson
Tucson, AZ
A+Overall grade225 students5 students per teacher
2026 lists
Best Private Schools in Arizona
Private schools in Arizona with the highest overall grades. Top 50 of 164 schools.
#2 Best Private Schools in Arizona
Phoenix Country Day School
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Arizona
Paradise Valley, AZ
A+Overall grade730 students5 students per teacher
#3 Best Private Schools in Arizona
St. Mary-Basha Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 78% of Catholic schools in Arizona
Chandler, AZ
A+Overall grade366 students12 students per teacher
#4 Best Private Schools in Arizona
Immaculate Conception Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Cottonwood
Cottonwood, AZ
A+Overall grade175 students9 students per teacher
#5 Best Private Schools in Arizona
Our Lady of Perpetual Help Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 93% of Catholic schools in Arizona
Scottsdale, AZ
A+Overall grade292 students10 students per teacher
#6 Best Private Schools in Arizona
St. Anthony School
Independent Catholic school · Grades Pre-K–8
The only Catholic school in Show Low
Show Low, AZ
A+Overall grade131 students12 students per teacher
#7 Best Private Schools in Arizona
St. Teresa Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 98% of Catholic schools in Arizona
Phoenix, AZ
A+Overall grade293 students9 students per teacher
#8 Best Private Schools in Arizona
Veritas Christian Community School
Christian school (nondenominational) · Grades K–12
Smaller classes than 81% of Christian schools in Arizona
Sierra Vista, AZ
A+Overall grade129 students7 students per teacher
#9 Best Private Schools in Arizona
Sacred Heart Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Prescott
Prescott, AZ
A+Overall grade111 students10 students per teacher
#10 Best Private Schools in Arizona
Desert Garden Montessori
Montessori school · Grades Pre-K–12
One of the 3 largest Montessori schools in Arizona
Phoenix, AZ
A+Overall grade165 students5 students per teacher
#11 Best Private Schools in Arizona
Bourgade Catholic High School
Diocesan school · Grades 9–12
Smaller classes than 90% of Catholic schools in Arizona
Phoenix, AZ
A+Overall grade330 students10 students per teacher
#12 Best Private Schools in Arizona
Immaculate Heart Academy
Independent Catholic school · Grades Pre-K–8
The only Catholic school in Oro Valley
Oro Valley, AZ
A+Overall grade136 students13 students per teacher
#13 Best Private Schools in Arizona
St. Elizabeth Ann Seton School
Parish school · Grades Pre-K–8
The smallest classes of any Catholic school in Tucson
Tucson, AZ
A+Overall grade298 students11 students per teacher
#14 Best Private Schools in Arizona
St. Augustine Catholic High School
Diocesan school · Grades 9–12
95% of graduates go to four-year colleges
Tucson, AZ
A+Overall grade276 students12 students per teacher
#15 Best Private Schools in Arizona
St. Anthony of Padua Catholic School
Independent Catholic school · Grades Pre-K–8
Smaller classes than 83% of Catholic schools in Arizona
Casa Grande, AZ
A+Overall grade153 students11 students per teacher
#16 Best Private Schools in Arizona
St. Michael's Parish Day School
Episcopal school · Grades Pre-K–8
Smaller classes than 64% of Christian schools in Arizona
Tucson, AZ
A+Overall grade306 students9 students per teacher
#17 Best Private Schools in Arizona
St. Cyril Elementary School
Diocesan school · Grades K–8
Smaller classes than 73% of Catholic schools in Arizona
Tucson, AZ
A+Overall grade359 students12 students per teacher
#18 Best Private Schools in Arizona
Verde Valley School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Sedona, AZ
A+Overall grade123 students7 students per teacher
#19 Best Private Schools in Arizona
Our Lady of Sorrow Academy
Parish school · Grades K–12
The smallest classes of any Catholic school in Phoenix
Phoenix, AZ
A+Overall grade153 students8 students per teacher
#20 Best Private Schools in Arizona
Christ the King School
Diocesan school · Grades Pre-K–8
Serving families in Mesa since at least 2011
Mesa, AZ
A+Overall grade185 students15 students per teacher
#21 Best Private Schools in Arizona
Payson Community Christian School
Christian school (nondenominational) · Grades Pre-K–8
Smaller classes than 74% of Christian schools in Arizona
Payson, AZ
A+Overall grade139 students8 students per teacher
#22 Best Private Schools in Arizona
The Gregory School
Independent school · Grades 5–12
One of the 3 largest independent schools in Arizona
Tucson, AZ
A+Overall grade367 students8 students per teacher
#23 Best Private Schools in Arizona
91st Psalm Christian School
Christian school (nondenominational) · Grades Pre-K–12
Growing: enrollment up 52% since 2011–12
Phoenix, AZ
A+Overall grade190 students11 students per teacher
#24 Best Private Schools in Arizona
The Orme School
Independent school · Grades 8–12
Smaller classes than 82% of independent schools nationwide
Mayer, AZ
A+Overall grade75 students4 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.