Average
#6671 of 9,539 schools in CA
La Mesa Junior High
Middle School · William S. Hart Union High · Santa Clarita, CA
A William S. Hart Union High middle school where students score 14 points below what's typical for similar communities.
26623 May Way, Santa Clarita, CA 91351
- Math 34% vs CA 34% (2024)
- Reading 49% vs CA 47% (2024)
- 18.9:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at La Mesa Junior High score 42% proficient, which is below what's typical for similar communities (expected: 56%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↑ RecoveringProficiency declined earlier in the 16-year record (2009–2024), then recovered 32 points since 2020, reaching 42% in 2024.
Show all 15 years
Multi-year averages used by the rating model: math 43% (multi-year average, 2009-2024) · reading/ELA 50% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 34 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
32.9%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where La Mesa Junior High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Los Angeles map →
Getting around & local context
- Walk 12Car-Dependent
- Bike 9Somewhat Bikeable
- City Safety: Elevated1,352/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Santa Clarita), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$112,888
Median home value
$589,400
Median rent
$2,272/mo
College educated
24.8%
Homeownership
74.3%
Poverty rate
9%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91351; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Sierra Vista Junior HighEnrollment path unverified | 6.4 | 7–8 | 0.9 mi | 974 | Compare → |
| Santa Clarita Christian SchoolPrivate · tuition | 4.8private | K–12 | 1.1 mi | 560 | Compare → |
| Placerita Junior HighEnrollment path unverified | 7.3 | 7–8 | 3.6 mi | 920 | Compare → |
| Arroyo Seco Junior HighEnrollment path unverified | 7.6 | 7–8 | 3.9 mi | 1,240 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
William S. Hart Union High
- Schools in district
- 16
- Rank in district
- #16 of 16
- District spending per student
- $15,278NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.2%Census SAIPE · 2024
La Mesa Junior High is listed in William S. Hart Union High; a district label does not verify attendance for an address.
About La Mesa Junior High
La Mesa Junior High is a public middle school in Santa Clarita, CA, part of William S. Hart Union High, serving approximately 1,023 students in grades 7th-8th with a 18.9:1 student-teacher ratio. It holds a MySchoolScout rating of 5.4 out of 10 and ranks #6,671 of 9,539 schools in CA.
State assessment records show 43% math proficiency (multi-year average, 2009-2024) and 50% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about La Mesa Junior High
What grades does La Mesa Junior High serve?
La Mesa Junior High serves students in grades 7th through 8th.
How many students attend La Mesa Junior High?
La Mesa Junior High has an enrollment of approximately 1,023 students.
What is the student-teacher ratio at La Mesa Junior High?
The student-teacher ratio at La Mesa Junior High is 18.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does La Mesa Junior High rank in CA?
La Mesa Junior High ranks #6,671 of 9,539 schools in CA.
What is La Mesa Junior High's MySchoolScout rating?
La Mesa Junior High has a current MySchoolScout rating of 5.4 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 La Mesa Junior High?
Based on loaded state assessment records, La Mesa Junior High has 43% math proficiency (multi-year average, 2009-2024) and 50% reading/ELA proficiency (multi-year average, 2009-2024).
Is La Mesa Junior High a charter school?
No, La Mesa Junior High is not a charter school. It is a traditional public school operated by the local school district.
Is La Mesa Junior High a Title I school?
No, La Mesa Junior High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for La Mesa Junior High?
32.9% of students at La Mesa 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 factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 7th – 8th
- Enrollment
- 1,023
- Student-Teacher Ratio
- 18.9:1
- Teachers (FTE)
- 54
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Chronic Absenteeism (SY 2022-23)
- 23.9%
- Phone
- (661) 250-0022
- Area population (ZIP 91351)
- 33,553
- Area average commute
- 39.4 min
- Area median age
- 38
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- 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 · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 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 · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · 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, 2009-2024; directory SY 2023–24
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