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Average

#4558 of 9,533 schools in CA

Top 48% in state

Sierra High

High School · Azusa Unified

PO Box 500, Azusa, CA 91702

Enrollment

115

Student-Teacher

7.7:1

Score

6.4

Grades

9th – 12th

Updated 2022-23

How this school compares

In Azusa

#3 of 10

public schools

California high schools

#934 of 1,892

In district

#3 of 10

Azusa Unified

Academic growth

9.9 / 10

Exceptional

About Sierra High

Sierra High in Azusa, California is an alternative high school that serves students from ninth to twelfth grade. With a student body of just 115 students and a teacher-student ratio of 7.7:1, Sierra High provides personalized attention and support for each learner. The school's setting in a large suburban area offers both the resources of city living and the community feel of smaller towns.

Sierra High focuses on providing individualized education tailored to meet the diverse needs of its students. While the academic performance scores suggest there is room for improvement, particularly with 27% proficiency or above in ELA/Reading and only 2% proficiency or above in Math, Sierra High continues to work diligently to support student development through specialized programs and resources. Located in Azusa’s 91702 zip code, the school community benefits from its suburban setting, offering a blend of local amenities and educational opportunities.

What Parents Should Know

With an enrollment of 115 students, Sierra High is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

While current test scores at Sierra High are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.

With a student-teacher ratio of 7.7:1, Sierra High offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.9Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+2.82 pts/yr
Data Period2019–2024
TrendImproving
Academics4.4Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency1.5%
Reading/ELA Proficiency36.8%
Math vs. State Avg-26.5 pts
Reading vs. State Avg-19.1 pts
Overall Proficiency19%
Expected (poverty-adj.)23%
vs. Expected-3.5 pts
Adjusted Percentile25th
College Readiness2.8Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation7.8%
IB ProgramNo
Resources & Environment9.8Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio7.7:1
Per-Pupil Spending$17,543

Sierra High — Students at Sierra High score 19% proficient, which is below what's typical for similar communities (expected: 23%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

91.3%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 1.8%
School
State
31.8%
ELA Proficiency 27.0%
School
State
51.5%

Based on 6 test records from CA state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
2.5%
ELA
7.5%
2024
Math
1.5%
ELA
36.8%

Source: EdFacts (NCES) and state assessment data. Growth score: 9.9/10.

How Sierra High Compares

See how Sierra High performs across key quality dimensions compared to state benchmarks.

Overall Score
6.4/10
52th percentile in CA
Academic
4.4/10
4.4/10
Growth
9.9/10
Above average
Environment
9.8/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
91%
Teaching Staff
8:1 student-teacher ratio
15 teachers

Location

PO Box 500, Azusa, CA 91702

Nearby Alternatives

Families considering Sierra High may also want to explore other high schools in the area. Azusa High (rated 8.4/10, 1.0 miles away), which scores notably higher. Another option is Fairvalley High (Continuation) (rated 6.1/10, 1.3 miles away, in nearby Covina), with a comparable rating. Additionally, Whitcomb Continuation High (rated 5.9/10, 1.3 miles away, in nearby Glendora), with a comparable rating. For more schools in Azusa, see our Azusa schools guide .

Nearby Schools

20 within 1.7 mi
School Distance Rating
Magnolia Elementary Azusa 0.3 mi 7.7
Stanton Elementary Glendora 1.0 mi 3.6
Ben Lomond Elementary Covina 1.0 mi 6.2
Azusa High Azusa 1.0 mi 8.4
Clifford D. Murray Elementary Azusa 1.0 mi 4.0
Washington Elementary Glendora 1.0 mi 6.8
Cypress Elementary Covina 1.3 mi 5.9
Whitcomb Continuation High Glendora 1.3 mi 5.9
FOOTHILL CHRISTIAN SCHOOL Glendora 1.2 mi 6.4
Fairvalley High (Continuation) Covina 1.3 mi 6.1
Covina-Valley Learning Options Academy Covina 1.3 mi 5.6
Charles H. Lee Elementary Azusa 1.4 mi 4.6
CHRISTBRIDGE ACADEMY Azusa 1.3 mi
Christbridge Academy Azusa 1.3 mi
Cedargrove Elementary Covina 1.5 mi 4.7
ST FRANCES OF ROME SCHOOL Azusa 1.7 mi 6.4
St. Frances of Rome Elementary Azusa 1.7 mi
Paramount Elementary Azusa 1.5 mi 3.6
Sandburg Middle Glendora 1.9 mi 4.6
Gladstone Middle Azusa 1.7 mi 3.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91702 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$87,577

Median Home Value

$604,600

Median Rent

$1,847/mo

Population

61,766

College Educated

24.2%

Homeownership

59.2%

Avg Commute

31.2 min

Poverty Rate

11.8%

Median Age

34.5

Community Profile

The community surrounding Sierra High has a median household income of $87,577. It is a community where 24% of adults hold a bachelor's degree or higher. The median home value in the area is $604,600, with a median rent of $1,847/month. The area has a poverty rate of 11.8%. The average commute for residents is 31 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
AeroSTEM Academy Yuba City, CA 6.4
Boynton High San Jose, CA 6.4
Dewolf Continuation High Fresno, CA 6.4
East Stanislaus High Oakdale, CA 6.4
FUSION ACADEMY - PALO ALTO Palo Alto, CA 6.4
Green Valley High Yucaipa, CA 6.4

Frequently Asked Questions

Common questions about Sierra High

What grades does Sierra High serve?

Sierra High serves students in grades 9th through 12th.

How many students attend Sierra High?

Sierra High has an enrollment of approximately 115 students.

What is the student-teacher ratio at Sierra High?

The student-teacher ratio at Sierra High is 7.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sierra High rank in CA?

Sierra High is ranked #4558 out of 9,533 schools in CA.

What is Sierra High's MySchoolScout rating?

Sierra High has a composite rating of 6.4 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.

What are the test scores at Sierra High?

Based on the most recent state assessment data, Sierra High has 1.8% math proficiency and 27.0% reading/ELA proficiency.

Is Sierra High a charter school?

No, Sierra High is not a charter school. It is a traditional public school operated by the local school district.

Is Sierra High a Title I school?

No, Sierra High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Sierra High?

91.3% of students at Sierra High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
High (1,771/100K)

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

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
115
Student-Teacher Ratio
7.7:1
Teachers (FTE)
15
Free/Reduced Lunch
91.3%
Type
alternative
Setting
Large Suburb
County
Los Angeles County
Data Year
2023–2024

District

Azusa Unified
District Enrollment
6,370
Schools in District
11
Per-Pupil Spending
$20,748
District Rank
#3 of 10

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

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