#1 Best Private Schools in Blaine County, ID
Sun Valley Community School-Upper
Independent school · Grades Pre-K–12
The smallest classes of any independent school in Sun Valley
Sun Valley, ID
A+Overall grade397 students5 students per teacher
2026 lists
Best Private Schools in Blaine County, ID
Private schools in Blaine County, ID with the highest overall grades. Top 5 of 5 schools.
#2 Best Private Schools in Blaine County, ID
The Sage School
Alternative school · Grades 6–12
Growing: enrollment up 127% since 2011–12
Hailey, ID
A-Overall grade91 students7 students per teacher
#3 Best Private Schools in Blaine County, ID
Sun Valley Community School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Sun Valley, ID
B+Overall grade391 students7 students per teacher
#4 Best Private Schools in Blaine County, ID
Sun Valley Community School-Middle
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Idaho
Sun Valley, ID
B+Overall grade397 students8 students per teacher
#5 Best Private Schools in Blaine County, ID
Pioneer Montessori School
Montessori school · Grades Pre-K–6
The largest of 10 Montessori schools in Idaho
Ketchum, ID
BOverall grade104 students13 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.