Skip to main content

Average

#1078 of 1,790 private schools in CA

St John Bosco

High School

13640 BELLFLOWER BLVD, Bellflower, CA 90706

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 14 schools in Bellflower. Learn more

Enrollment

756

Student-Teacher

14.7:1

Score

6.0

Grades

9th – 12th

Updated 2021-22

How this school compares

In Bellflower

#4 of 6

public schools

California high schools

#186 of 277

About St John Bosco

St John Bosco serves 756 high school students in grades 9-12 in Bellflower, California. With 51 full-time equivalent teachers, the school maintains a student-teacher ratio of 14.7:1, providing students with more individualized attention than many larger high schools. The school earned a MySchoolScout rating of 7.7 out of 10, reflecting solid educational quality.

While ranked #1245 out of 1790 California high schools, placing it in the 30th percentile statewide, St John Bosco continues to focus on student development and academic growth within the competitive California education landscape. Located on Bellflower Boulevard, the school serves a diverse community where the median household income is $75,379 and median home values reach $619,400. The surrounding ZIP code of 90706 is home to 78,352 residents, with 20% holding bachelor's degrees or higher and a poverty rate of 14.2%.

This mix creates an environment where students from various socioeconomic backgrounds come together for their high school education. St John Bosco operates as a regular public high school in this large suburban setting, providing comprehensive secondary education to families throughout the Bellflower area and contributing to the educational fabric of this established Los Angeles County community.

What Parents Should Know

As a private school, St John Bosco operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Compare to Public Schools

Beta

How St John Bosco compares to 5 public schools serving similar grades in Bellflower, CA

Student-Teacher Ratio
14.7:1
This School
vs
16.3:1
Public Avg
Avg School Size
756
This School
vs
986
Public Avg
Avg School Scout Rating
6.0
This School
vs
5.3
Public Avg

Student Demographics

Hispanic 47.2% vs 0%
Black 15.7% vs 0%
White 11.8% vs 0%
Asian 6.9% vs 0%
St John Bosco Bellflower Public Avg

Nearby High Schools

School Rating
St John Bosco (this school) 6.0
Bellflower High 5.2
Somerset High 6.9
Las Flores Home Education Independent Study Academy 4.1
Mayfair High 5.0
Bellflower Alternative Education Center

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

What This Rating Measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B- 4.7 / 10
View breakdown
Student-Teacher Ratio 14.7:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B 5.7 / 10
View breakdown
School Day Length 6.7 hours
Annual Instructional Hours 1,206
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A 9.2 / 10
View breakdown
Diversity Index 71%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
B- 4.9 / 10
View breakdown
Enrollment 756
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in CA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

Hispanic 47.2%
Black 15.7%
White 11.8%
Two or More 11.4%
Asian 6.9%
Pacific Islander 6.6%
Native American 0.4%

Source: NCES Private School Survey (PSS)

Location

13640 BELLFLOWER BLVD, Bellflower, CA 90706

Nearby Alternatives

Families considering St John Bosco may also want to explore other high schools in the area. Columbus (Christopher) High (rated 5.8/10, 1.0 miles away, in nearby Downey), with a very similar rating. Additionally, Bellflower High (rated 5.2/10, 0.9 miles away), with a comparable rating. For more schools in Bellflower, see our Bellflower schools guide .

Nearby Schools

20 within 1.3 mi
School Distance Rating
ST DOMINIC SAVIO SCHOOL Bellflower 0.2 mi 6.0
St. Dominic Savio Bellflower 0.2 mi
Lewis (Ed C.) Elementary Downey 0.3 mi 5.8
Ernie Pyle Elementary Bellflower 0.6 mi 6.2
Carpenter (C. C.) Elementary Downey 0.6 mi 6.8
Cedar House Academy Downey 0.8 mi
CALVARY CHAPEL CHRISTIAN SCHOOL Downey 0.8 mi 5.7
Calvary Chapel Christian Downey 0.8 mi
Frank E. Woodruff Elementary Bellflower 0.8 mi 4.2
Washington Elementary Bellflower 0.9 mi 5.1
Bellflower High Bellflower 0.9 mi 5.2
Gauldin (A.L.) Elementary Downey 1.0 mi 5.9
Columbus (Christopher) High Downey 1.0 mi 5.8
Woodruff Academy Downey 1.0 mi
Adventist Union School Bellflower 1.2 mi
Albert Baxter Elementary Bellflower 1.1 mi 5.7
ADVENTIST UNION SCHOOL Bellflower 1.2 mi 6.0
Ward (E. W.) Elementary Downey 1.2 mi 3.7
Sussman (Edward A.) Middle Downey 1.3 mi 7.0
New River Elementary Norwalk 1.3 mi 7.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 90706 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$77,602

Median Home Value

$661,100

Median Rent

$1,771/mo

Population

77,396

College Educated

20.1%

Homeownership

38.1%

Avg Commute

29.6 min

Poverty Rate

13.2%

Median Age

35.9

Community Profile

The community surrounding St John Bosco has a median household income of $77,602. It is a community where 20% of adults hold a bachelor's degree or higher. The median home value in the area is $661,100, with a median rent of $1,771/month. The area has a poverty rate of 13.2%. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Ambassador-Global Leadership Los Angeles, CA 6.0
DAMIEN HIGH SCHOOL La Verne, CA 6.0
Entrepreneur High Ontario, CA 6.0
Ganesha High Pomona, CA 6.0
Golden Sierra Junior Senior High Garden Valley, CA 6.0
International Polytechnic High Pomona, CA 6.0

Frequently Asked Questions

Common questions about St John Bosco

What grades does St John Bosco serve?

St John Bosco serves students in grades 9th through 12th.

How many students attend St John Bosco?

St John Bosco has an enrollment of approximately 756 students.

What is the student-teacher ratio at St John Bosco?

The student-teacher ratio at St John Bosco is 14.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does St John Bosco rank in CA?

St John Bosco is ranked #1078 out of 1,790 private schools in CA.

What is St John Bosco's MySchoolScout rating?

St John Bosco has a composite rating of 6.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

Is St John Bosco a private school?

Yes, St John Bosco is a private all-boys school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is St John Bosco a religious school?

St John Bosco has a Roman Catholic religious affiliation.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,799/100K)

FBI UCR 2024. City-level (Bellflower). Data >1 year old.

Quick Facts NCES PSS (SY 2021-22)

Grades
9th – 12th
Enrollment
756
Gender Split
100% M / 0% F
Student-Teacher Ratio
14.7:1
Teachers (FTE)
51
Type
private
Coed Status
all-boys
Affiliation
Roman Catholic
School Day
6.7 hours
Days Per Year
180 days
Setting
Large Suburb
County
LOS ANGELES
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.