#1 Best All-Boys Schools in Los Angeles County, CA
St. John Bosco
Independent Catholic school · Grades 9–12
The only all-boys school in Bellflower
Bellflower, CA
A+Overall gradeAll boys800 students12 students per teacher
2026 lists
Best All-Boys Schools in Los Angeles County, CA
The highest-graded schools of this kind in Los Angeles County, CA. Top 14 of 14 schools.
#2 Best All-Boys Schools in Los Angeles County, CA
Verbum Dei Jesuit High School
Independent Catholic school · Grades 9–12
Smaller classes than 71% of Catholic schools in California
Los Angeles, CA
A+Overall gradeAll boys302 students12 students per teacher
#3 Best All-Boys Schools in Los Angeles County, CA
Crespi Carmelite High School
Independent Catholic school · Grades 9–12
The only all-boys school in Encino
Encino, CA
A+Overall gradeAll boys452 students14 students per teacher
#4 Best All-Boys Schools in Los Angeles County, CA
St. Francis High School
Independent Catholic school · Grades 9–12
The only all-boys school in La Canada Flintridge
La Canada Flintridge, CA
A+Overall gradeAll boys607 students14 students per teacher
#5 Best All-Boys Schools in Los Angeles County, CA
Mesivta of Greater Los Angeles
Jewish day school · Grades 9–12
The only Jewish school in Calabasas
Calabasas, CA
BOverall gradeAll boys74 students8 students per teacher
#6 Best All-Boys Schools in Los Angeles County, CA
Yeshiva Ohr Elchonon Chabad - West Coast
Jewish day school · Grades 9–11
Serving families in Los Angeles since at least 2011
Los Angeles, CA
BOverall gradeAll boys63 students13 students per teacher
#7 Best All-Boys Schools in Los Angeles County, CA
Mesivta Birkas Yitzchok
Jewish day school · Grades 9–12
Small classes: about 6 students per teacher
Los Angeles, CA
BOverall gradeAll boys74 students6 students per teacher
#8 Best All-Boys Schools in Los Angeles County, CA
Yeshiva University of Los Angeles Yulu Boys
Jewish day school · Grades 9–12
85% of graduates go to four-year colleges
Los Angeles, CA
B-Overall gradeAll boys244 students7 students per teacher
#9 Best All-Boys Schools in Los Angeles County, CA
Cheder Menachem
Jewish day school · Grades K–8
Growing: enrollment up 28% since 2011–12
Los Angeles, CA
B-Overall gradeAll boys394 students12 students per teacher
#10 Best All-Boys Schools in Los Angeles County, CA
Yeshiva Rav Isacsohn Toras Emes Acad Boys Jr. High
Jewish day school · Grades 6–8
One of 26 Jewish day schools in Los Angeles
Los Angeles, CA
B-Overall gradeAll boys114 students19 students per teacher
#11 Best All-Boys Schools in Los Angeles County, CA
Cathedral High School
Independent Catholic school · Grades 9–12
One of 50 Catholic schools in Los Angeles
Los Angeles, CA
B-Overall gradeAll boys645 students19 students per teacher
#12 Best All-Boys Schools in Los Angeles County, CA
Yeshiva Rav Isacsohn / Torath Em
Jewish day school · Grades K–5
One of 26 Jewish day schools in Los Angeles
Los Angeles, CA
B-Overall gradeAll boys258 students22 students per teacher
#13 Best All-Boys Schools in Los Angeles County, CA
Yeshiva Gedolah Los Angeles
Jewish day school · Grades 9–12
Growing: enrollment up 61% since 2015–16
Los Angeles, CA
B-Overall gradeAll boys124 students7 students per teacher
#14 Best All-Boys Schools in Los Angeles County, CA
Bishop Mora Salesian
Diocesan school · Grades 9–12
One of 50 Catholic schools in Los Angeles
Los Angeles, CA
B-Overall gradeAll boys391 students21 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.