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Average

#4895 of 9,533 schools in CA

Sierra High

High School · Manteca Unified

PO Box 32, Manteca, CA 95336

Enrollment

1,637

Student-Teacher

21.5:1

Score

6.3

Grades

9th – 12th

Updated 2022-23

How this school compares

In Manteca

#4 of 28

public schools

California high schools

#1,028 of 1,892

In district

#4 of 29

Manteca Unified

Academic growth

9.1 / 10

Exceptional

About Sierra High

Sierra High serves 1,637 students in grades 9-12 in Manteca, California, operating with a student-teacher ratio of 21.5:1 across 76 full-time equivalent teachers. This regular public high school earns a solid MySchoolScout rating of 6.8 out of 10 and ranks in the 69th percentile among California high schools at #2938 out of 9,566 schools statewide. Academically, Sierra High shows particular strength in English Language Arts, where 66% of students perform at proficient or above levels across all grade levels.

Mathematics presents more of a growth opportunity, with 26% of students achieving proficiency. The school's overall academic score of 7.0 out of 10 reflects its commitment to student development across core subject areas. The school draws from a stable suburban community where the median household income reaches $81,154 and the median home value is $476,200.

With a relatively low poverty rate of 9.8% among the ZIP code's 49,145 residents, families in this area demonstrate economic stability, though only 16% hold bachelor's degrees or higher. Sierra High is situated in Manteca's small suburban setting, providing students with a close-knit community atmosphere while maintaining access to the broader San Joaquin County educational resources.

What Parents Should Know

The student-teacher ratio at Sierra High is 21.5:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.1Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+0.77 pts/yr
Data Period2019–2024
TrendStable
Academics7.5Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency25.7%
Reading/ELA Proficiency65.8%
Math vs. State Avg-2.3 pts
Reading vs. State Avg+9.9 pts
Overall Proficiency46%
Expected (poverty-adj.)43%
vs. Expected+3.0 pts
Adjusted Percentile63th
College Readiness3.4Fair30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation12.1%
IB ProgramNo
Resources & Environment5.6Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio21.5:1
Per-Pupil Spending$12,953

Sierra High — Students at Sierra High score 46% proficient, which is above what's typical for similar communities (expected: 43%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

56.8%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 23.8%
School
State
31.8%
ELA Proficiency 61.1%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

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

2019
Math
24%
ELA
61%
2021*
Math
20%
ELA
52%
2024
Math
25.7%
ELA
65.8%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 9.1/10.

How Sierra High Compares

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

Overall Score
6.3/10
49th percentile in CA
Academic
7.5/10
7.5/10
Growth
9.1/10
Above average
Environment
5.6/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
57%
Teaching Staff
22:1 student-teacher ratio
76 teachers

Location

PO Box 32, Manteca, CA 95336

Nearby Alternatives

Families considering Sierra High may also want to explore other high schools in the area. Manteca High (rated 6.3/10, 1.8 miles away), with a very similar rating. Another option is East Union High (rated 5.2/10, 2.2 miles away), a more accessible option. Additionally, Yosemite School Community Day (7-12) (rated 4.1/10, 1.1 miles away), a more accessible option. For more schools in Manteca, see our Manteca schools guide .

Nearby Schools

20 within 3.3 mi
School Distance Rating
Brock Elliott Elementary Manteca 0.5 mi 2.8
Stella Brockman Elementary Manteca 1.1 mi 4.0
Yosemite School Community Day (7-12) Manteca 1.1 mi 4.1
Yosemite School Community Day (K-6) Manteca 1.1 mi
Sequoia Elementary Manteca 1.1 mi 3.2
Veritas Elementary Manteca 1.3 mi 5.0
George McParland Elementary Manteca 2.0 mi 3.1
Golden West Elementary Manteca 1.9 mi 3.9
East Union High Manteca 2.2 mi 5.2
Neil Hafley Elementary Manteca 2.2 mi 3.6
Manteca High Manteca 1.8 mi 6.3
St. Anthony's Catholic School Manteca 2.0 mi
ST ANTHONY CATHOLIC SCHOOL Manteca 2.0 mi 6.2
Lincoln Elementary Manteca 2.1 mi 3.0
Nile Garden Elementary Manteca 2.6 mi 4.7
Shasta Elementary Manteca 2.3 mi 3.4
Walter Woodward Elementary Manteca 2.5 mi 4.5
Lathrop Elementary Manteca 2.6 mi 4.7
Joseph Widmer Jr. Elementary Manteca 3.6 mi 4.4
Joshua Cowell Elementary Manteca 3.3 mi 2.6

Neighborhood Census ACS (2019-2023)

Census data for ZIP 95336 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$86,411

Median Home Value

$522,800

Median Rent

$1,774/mo

Population

49,357

College Educated

16.4%

Homeownership

69.7%

Avg Commute

37.8 min

Poverty Rate

10.3%

Median Age

38.5

Community Profile

The community surrounding Sierra High has a median household income of $86,411. It is a community where 16% of adults hold a bachelor's degree or higher. The median home value in the area is $522,800, with a median rent of $1,774/month. The area has a poverty rate of 10.3%. The average commute in the area is 38 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Alain Leroy Locke College Preparatory Academy Los Angeles, CA 6.3
Colony High Ontario, CA 6.3
Greenfield High Greenfield, CA 6.3
Lakeview Leadership Academy Victorville, CA 6.3
Lathrop High Manteca, CA 6.3
Manteca High Manteca, CA 6.3

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 1,637 students.

What is the student-teacher ratio at Sierra High?

The student-teacher ratio at Sierra High is 21.5:1. 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 #4895 out of 9,533 schools in CA.

What is Sierra High's MySchoolScout rating?

Sierra High has a composite rating of 6.3 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 23.8% math proficiency and 61.1% 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?

56.8% 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

Walk Score
37 Car-Dependent
Bike Score
40 Somewhat Bikeable
City Safety
High (1,832/100K)

Powered by Walk Score

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

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,637
Student-Teacher Ratio
21.5:1
Teachers (FTE)
76
Free/Reduced Lunch
56.8%
Type
regular
Setting
Small Suburb
County
San Joaquin County
Data Year
2023–2024

District

Manteca Unified
District Enrollment
25,000
Schools in District
30
Per-Pupil Spending
$14,801
District Rank
#4 of 29

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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