#25 Best Boarding Schools in the West
Colorado Rocky Mountain School
Independent school · Grades 9–12
97% of graduates go to four-year colleges
Carbondale, CO
B+Overall grade175 students8 students per teacher
2026 lists
Best Boarding Schools in the West
The highest-graded schools of this kind in the West. Top 32 of 32 schools.
#26 Best Boarding Schools in the West
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
#27 Best Boarding Schools in the West
Delphian School
Alternative school · Grades 1–12
Serving families in Sheridan since at least 2011
Sheridan, OR
B+Overall grade204 students11 students per teacher
#28 Best Boarding Schools in the West
Ef Academy
Independent school · Grades 9–12
Small classes: about 8 students per teacher
Pasadena, CA
BOverall grade219 students8 students per teacher
#29 Best Boarding Schools in the West
Wasatch Academy
Independent school · Grades 8–12
85% of graduates go to four-year colleges
Mount Pleasant, UT
BOverall grade148 students6 students per teacher
#30 Best Boarding Schools in the West
Army & Navy Academy
Independent school · Grades 7–12
The only independent school in Carlsbad
Carlsbad, CA
BOverall gradeAll boys258 students8 students per teacher
#31 Best Boarding Schools in the West
Steamboat Mountain School
Independent school · Grades K–12
88% of graduates go to four-year colleges
Steamboat Springs, CO
BOverall grade181 students6 students per teacher
#32 Best Boarding Schools in the West
Steamboat Mountain School
Independent school · Grades K–12
The smallest classes of any independent school in Steamboat Springs
Steamboat Springs, CO
BOverall grade182 students5 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.