#1 Best Independent Schools in Tucson, AZ
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 Independent Schools in Tucson, AZ
The highest-graded schools of this kind in Tucson, AZ. Top 5 of 5 schools.
#2 Best Independent Schools in Tucson, AZ
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
#3 Best Independent Schools in Tucson, AZ
Castlehill Country Day School
Independent school · Grades Pre-K–5
Smaller classes than 78% of independent schools in Arizona
Tucson, AZ
A+Overall grade83 students7 students per teacher
#4 Best Independent Schools in Tucson, AZ
Tucson Waldorf School
Independent school · Grades Pre-K–8
One of 7 independent schools in Tucson
Tucson, AZ
AOverall grade167 students10 students per teacher
#5 Best Independent Schools in Tucson, AZ
Acclerated Elementary and Secondary / Green Fields
Independent school · Grades Pre-K–12
One school from pre-K through 12th grade
Tucson, AZ
BOverall grade117 students12 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.