#1 Best Private High Schools in Canyon County, ID
Gem State Adventist Academy
Seventh-day Adventist school · Grades 9–12
The smallest classes of any Christian school in Caldwell
Caldwell, ID
B+Overall grade78 students10 students per teacher
2026 lists
Best Private High Schools in Canyon County, ID
Private high schools in Canyon County, ID with the highest overall grades. Top 5 of 5 schools.
#2 Best Private High Schools in Canyon County, ID
Gem State Adventist Academy
Seventh-day Adventist school · Grades 9–12
The largest Christian school in Caldwell
Caldwell, ID
BOverall grade83 students11 students per teacher
#3 Best Private High Schools in Canyon County, ID
Nampa Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in Idaho
Nampa, ID
BOverall grade889 students16 students per teacher
#4 Best Private High Schools in Canyon County, ID
Nampa Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
One of the most diverse private schools in Idaho
Nampa, ID
BOverall grade886 students21 students per teacher
#5 Best Private High Schools in Canyon County, ID
Nampa Christian High School
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in Idaho
Nampa, ID
B-Overall grade889 students16 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.