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
Enrollment
1,637
Student-Teacher
21.5:1
Score
6.3
Grades
9th – 12th
Updated
2022-23
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 metricsView breakdown
View breakdown
View breakdown
View breakdown
Sierra High — Students at Sierra High score 46% proficient, which is above what's typical for similar communities (expected: 43%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
56.8%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 24% (2019) to 25.69% (2024). Reading/ELA proficiency has improved from 61% (2019) to 65.76% (2024).
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.
Explore More Schools
Neighborhood Context
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
- Phone
- (209) 858-7410
- Data Year
- 2023–2024
Resources & Links
District
Manteca Unified- District Enrollment
- 25,000
- Schools in District
- 30
- Per-Pupil Spending
- $14,801
- District Rank
- #4 of 29
Other Schools in This District
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 methodologyRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
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.