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Public middle school · William S. Hart Union High · Canyon Country, California

Sierra Vista Junior High

Sierra Vista Junior High rates 7.0, below most William S. Hart Union High middle schools, whose rated median is 7.8.

Middle schools, 1 to 10This campus against public middle schools around it that are rated on verified state test data.
7.0this school

7.0 on a one-to-ten scale; the William S. Hart Union High median is 7.8.

#3,470 of 9,557 schools in California · William S. Hart Union High: 6 middle schools rated, median 7.8

The brief

A William S. Hart Union High middle school where students score 13 points below what's typical for similar communities.

It ranks 3,470 of 9,557 schools in California and 13 of 16 in William S. Hart Union High.

Sierra Vista Junior High is listed in William S. Hart Union High, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math34%2 points below the California average of 36%2025 CAASPP
Reading53%4 points above the California average of 49%2025 CAASPP
Proficiency is down 18 points across the 17-year record (2009–2025) and has held near 44% recently.2025 CAASPP; 34 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
7.4
40% of the rating
Academics
6.0
35% of the rating
Resources & Environment
7.9
25% of the rating
About this school's data1 correction under review · rating: low confidence · 6 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 45% (multi-year average, 2009-2025) · reading/ELA 55% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 91351; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Sierra Vista Junior High and the 20 nearest middle schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$112,888
Median home value
$589,400
Median rent
$2,272/mo
College educated
24.8%
Homeownership
74.3%
Poverty rate
9%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91351; this is area context, not an attendance boundary.

Getting around

Walk Score
77
Very Walkable
Bike Score
75
Very Bikeable
County reported crime
2,710/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 county residents, counting every city police department, sheriff's office and county police department that reported a full year to the FBI Uniform Crime Reporting program. Shown only where those agencies cover at least 80% of the county's residents. Not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · county context, not school-level safety or attendance eligibility. Source details

Programs and who goes here

What the campus offers, and who it enrolls.

Who goes here

Free or reduced lunch
35.5%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 8.3Compare →
  2. 7.6Compare →
  3. Sierra Vista Junior Highthis school
    7.0
  4. 7.0Compare →
Three grade-compatible schools using the same rating model sit within 5 miles, and two rate higher than Sierra Vista Junior High.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

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 ranks #3,470 of 9,557 schools in CA.

What is Sierra Vista Junior High's MySchoolScout rating?

Sierra Vista Junior High has a current MySchoolScout rating of 7.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sierra Vista Junior High?

Based on loaded state assessment records, Sierra Vista Junior High has 45% math proficiency (multi-year average, 2009-2025) and 55% reading/ELA proficiency (multi-year average, 2009-2025).

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.

School facts

Grades
7th – 8th
Enrollment
974
Student-teacher ratio
19.5:1
Teachers (FTE)
50
Type
Regular
Title I
No
Setting
Large Suburb
County
Los Angeles County
Rank in district
#13 of 16
Schools in district
16
District spending per student
$15,278
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
7.2%
Census SAIPE · 2024
Area population (ZIP 91351)
33,553
Area average commute
39.4 min
Area median age
38

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.