The Sage School
Alternative school · Grades 6–12
Growing: enrollment up 127% since 2011–12
Hailey, ID
A-Overall grade91 students7 students per teacher
High schools in Idaho
Schools that teach through 12th grade. 38 schools listed.
Largest high schools
One Stone
Independent school · Grades 9–12
One of 3 independent schools in Boise
Boise, ID
BOverall grade87 students36 students per teacher
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
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
Calvary Christian School
Christian school (nondenominational) · Grades Pre-K–12
Serving families in Nampa since at least 2011
Nampa, ID
B+Overall grade73 students14 students per teacher
Joshua Institute Academy
Special education school · Grades 3–12
The only special education school in Meridian
Meridian, ID
BOverall grade56 students8 students per teacher
Northwest Childrens Home Educ Center
Special education school · Grades 2–12
The only special education school in Lewiston
Lewiston, ID
B+Overall grade42 students14 students per teacher
Lewis Clark Christian
Christian school (nondenominational) · Grades K–12
Smaller classes than 88% of Christian schools in Idaho
Lewiston, ID
AOverall grade39 students7 students per teacher
River of Life Christian School
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 84% of Christian schools in Idaho
Payette, ID
AOverall grade38 students8 students per teacher
Silver Valley Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
One school from pre-K through 12th grade
Kellogg, ID
B+Overall grade35 students35 students per teacher
Mary Immaculate Queen School
Independent Catholic school · Grades K–12
Smaller classes than 86% of Catholic schools nationwide
Rathdrum, ID
AOverall grade29 students6 students per teacher
Project Patch
Christian school (nondenominational) · Grades 7–12
Smaller classes than 60% of Christian schools nationwide
Garden Valley, ID
A-Overall grade17 students8 students per teacher
St. Joseph Seminary
Independent Catholic school · Grades 7–12
The only all-boys school in Rathdrum
Rathdrum, ID
A-Overall gradeAll boys12 students12 students per teacher
The North Fork School
Independent school · Grades 2–12
Smaller classes than 69% of independent schools nationwide
McCall, ID
AOverall grade11 students6 students per teacher
On the map
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