Average
#5669 of 9,533 schools in CA
Sierra Vista Junior High
Middle School · William S. Hart Union High
19425 West Stillmore St., Canyon Country, CA 91351
Enrollment
974
Student-Teacher
19.5:1
Score
6.0
Grades
7th – 8th
Enrollment
974
Student-Teacher
19.5:1
Score
6.0
Grades
7th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Canyon Country
#5 of 11
public schools
California middle schools
#826 of 1,349
In district
#14 of 16
William S. Hart Union High
School environment
7.4 / 10
Strong
About Sierra Vista Junior High
Sierra Vista Junior High serves 974 students in grades 7 and 8 in Canyon Country, California. This middle school operates with 50 full-time equivalent teachers, maintaining a student-teacher ratio of 19.5:1. The school ranks in the 60th percentile among California middle schools, placing at #3808 out of 9,566 schools statewide with a MySchoolScout rating of 6.3 out of 10.
Academically, Sierra Vista shows solid performance in English Language Arts, with 50% of students achieving proficiency or above across grade levels. Mathematics presents an area with room for growth, as 32% of students demonstrate proficiency or above. These results reflect the school's ongoing focus on student development and academic improvement.
The school draws families from the surrounding Canyon Country community, where the median household income reaches $104,214 and the poverty rate stands at 9.5%. The neighborhood shows a median home value of $557,200, with 26% of residents holding bachelor's degrees or higher. Located on West Stillmore Street, Sierra Vista Junior High sits in a large suburban setting that serves over 32,000 residents in the 91351 zip code area of Los Angeles County.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Sierra Vista Junior High — Students at Sierra Vista Junior High score 41% proficient, which is below what's typical for similar communities (expected: 55%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
35.5%
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
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.3/10.
How Sierra Vista Junior High Compares
See how Sierra Vista Junior High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 41% (2019) to 32.3% (2024). Reading/ELA proficiency has declined from 55% (2019) to 50.38% (2024).
Location
19425 West Stillmore St., Canyon Country, CA 91351
Nearby Alternatives
Families considering Sierra Vista Junior High may also want to explore other middle schools in the area. Rosedell Elementary (rated 7.7/10, 2.7 miles away, in nearby Saugus), which scores notably higher. Another option is Rio Vista Elementary (rated 7.6/10, 1.1 miles away), which scores notably higher. Additionally, Cedarcreek Elementary (rated 7.0/10, 0.5 miles away), which scores slightly higher. For more schools in Canyon Country, see our Canyon Country schools guide .
Nearby Schools
20 within 2.7 mi| School | Distance | Rating |
|---|---|---|
| Canyon Springs Community Elementary Canyon Country | 0.3 mi | 4.7 |
| Cedarcreek Elementary Canyon Country | 0.5 mi | 7.0 |
| Canyon High Canyon Country | 0.7 mi | 6.1 |
| SANTA CLARITA CHRISTIAN SCHOOL Santa Clarita | 0.7 mi | 4.8 |
| La Mesa Junior High Santa Clarita | 0.9 mi | 6.8 |
| Leona H. Cox Community Elementary Canyon Country | 0.9 mi | 6.9 |
| Skyblue Mesa Elementary Canyon Country | 1.1 mi | 5.3 |
| Rio Vista Elementary Canyon Country | 1.1 mi | 7.6 |
| Valley View Community Elementary Newhall | 1.5 mi | 5.8 |
| ALPHA-KIDZ INTERNATIONAL Canyon Country | 1.3 mi | 6.1 |
| Golden Valley High Santa Clarita | 1.7 mi | 6.1 |
| Plum Canyon Elementary Saugus | 2.1 mi | 5.9 |
| Fair Oaks Ranch Community Santa Clarita | 1.8 mi | 5.3 |
| Golden Oak Community Santa Clarita | 2.1 mi | 5.7 |
| CAlkids Learning Academy Santa Clarita | 2.0 mi | — |
| CA KIDS LEARNING ACADEMY Santa Clarita | 2.0 mi | — |
| Bowman (Jereann) High (Continuation) Santa Clarita | 2.3 mi | 6.0 |
| Rosedell Elementary Saugus | 2.7 mi | 7.7 |
| Mitchell Community Elementary Canyon Country | 2.7 mi | 3.1 |
| Sulphur Springs Community Elementary Canyon Country | 2.7 mi | 3.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91351 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$112,888
Median Home Value
$589,400
Median Rent
$2,272/mo
Population
33,553
College Educated
24.8%
Homeownership
74.3%
Avg Commute
39.4 min
Poverty Rate
9%
Median Age
38
Community Profile
The community surrounding Sierra Vista Junior High has a median household income of $112,888. It is an area where 25% of adults hold a bachelor's degree or higher. The median home value in the area is $589,400, with a median rent of $2,272/month. The local poverty rate of 9.0% is relatively low. The average commute in the area is 39 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 |
|---|---|
| Alder Middle Fontana, CA | 6.0 |
| Aviara Oaks Middle Carlsbad, CA | 6.0 |
| Black Mountain Middle San Diego, CA | 6.0 |
| Edna Hill Middle Brentwood, CA | 6.0 |
| Erle Stanley Gardner Middle Temecula, CA | 6.0 |
| Fruitvale Junior High Bakersfield, CA | 6.0 |
Frequently Asked Questions
Common questions about Sierra Vista Junior High
What grades does Sierra Vista Junior High serve?
Sierra Vista Junior High serves students in grades 7th through 8th.
How many students attend Sierra Vista Junior High?
Sierra Vista Junior High has an enrollment of approximately 974 students.
What is the student-teacher ratio at Sierra Vista Junior High?
The student-teacher ratio at Sierra Vista Junior High is 19.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Sierra Vista Junior High rank in CA?
Sierra Vista Junior High is ranked #5669 out of 9,533 schools in CA.
What is Sierra Vista Junior High's MySchoolScout rating?
Sierra Vista Junior High 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.
What are the test scores at Sierra Vista Junior High?
Based on the most recent state assessment data, Sierra Vista Junior High has 34.4% math proficiency and 51.5% reading/ELA proficiency.
Is Sierra Vista Junior High a charter school?
No, Sierra Vista Junior High is not a charter school. It is a traditional public school operated by the local school district.
Is Sierra Vista Junior High a Title I school?
No, Sierra Vista Junior High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Sierra Vista Junior High?
35.5% of students at Sierra Vista Junior 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.
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 7th – 8th
- Enrollment
- 974
- Student-Teacher Ratio
- 19.5:1
- Teachers (FTE)
- 50
- Free/Reduced Lunch
- 35.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (661) 252-3113
- Data Year
- 2023–2024
Resources & Links
District
William S. Hart Union High- District Enrollment
- 20,685
- Schools in District
- 16
- Per-Pupil Spending
- $15,278
- District Rank
- #14 of 16
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
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