2026 lists
The highest-graded schools of this kind in Los Angeles County, CA. Top 5 of 5 schools.
#1 Best Boarding Schools in Los Angeles County, CA
Independent Catholic school · Grades 9–12
The only all-girls school in La Canada Flintridge
La Canada Flintridge, CA
#2 Best Boarding Schools in Los Angeles County, CA
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Los Angeles, CA
#3 Best Boarding Schools in Los Angeles County, CA
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Claremont, CA
#4 Best Boarding Schools in Los Angeles County, CA
Christian school (nondenominational) · Grades 4–12
The only Christian school in Westlake Village
Westlake Village, CA
#5 Best Boarding Schools in Los Angeles County, CA
Independent school · Grades 9–12
Small classes: about 8 students per teacher
Pasadena, CA
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.