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Very Good

#2976 of 9,533 schools in CA

Top 31% in state

William S. Hart High

High School · William S. Hart Union High

24825 North Newhall Ave., Newhall, CA 91321

Enrollment

1,930

Student-Teacher

22.4:1

Score

7.2

Grades

9th – 12th

Updated 2022-23

How this school compares

In Newhall

#3 of 7

public schools

California high schools

#542 of 1,892

In district

#3 of 16

William S. Hart Union High

Equity

8.2 / 10

Very strong

About William S. Hart High

William S. Hart High serves 1,930 students in grades 9-12 in Newhall, California, operating as a comprehensive public high school in Los Angeles County. With 86 full-time equivalent teachers, the school maintains a student-teacher ratio of 22.4:1, providing a substantial learning environment for its diverse student body.

Academically, Hart High earns a solid 7.4 out of 10 rating from MySchoolScout and ranks in the 78th percentile statewide at #2151 out of 9,566 California schools. The school demonstrates particular strength in English Language Arts, where 71% of students score proficient or above across grade levels. Mathematics shows room for growth, with 39% of students achieving proficiency, presenting opportunities for continued academic development and support.

The school draws from a stable suburban community where the median household income reaches $84,503 and home values average $603,300. With 29% of local residents holding bachelor's degrees or higher and a relatively low poverty rate of 9.9%, the surrounding ZIP code of 91321 supports approximately 34,305 residents in an established residential area. Hart High is situated in Newhall's large suburban setting, serving families in a well-established community in the Santa Clarita Valley region of Los Angeles County.

What Parents Should Know

The student-teacher ratio at William S. Hart High is 22.4:1, 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 Progress5.2Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-1.39 pts/yr
Data Period2019–2024
TrendDeclining
Academics7.9Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency38.8%
Reading/ELA Proficiency71.3%
Math vs. State Avg+10.8 pts
Reading vs. State Avg+15.4 pts
Overall Proficiency55%
Expected (poverty-adj.)53%
vs. Expected+2.3 pts
Adjusted Percentile69th
College Readiness9.3Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation35.1%
IB ProgramNo
Resources & Environment5.5Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio22.4:1
Per-Pupil Spending$14,041

William S. Hart High — Students at William S. Hart High score 55% proficient, which is above what's typical for similar communities (expected: 53%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

39.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 40.5%
School
State
31.8%
ELA Proficiency 74.2%
School
State
51.5%

Based on 6 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

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

2019
Math
44%
ELA
80%
2024
Math
38.8%
ELA
71.3%

Source: EdFacts (NCES) and state assessment data. Growth score: 5.2/10.

How William S. Hart High Compares

See how William S. Hart High performs across key quality dimensions compared to state benchmarks.

Overall Score
7.2/10
69th percentile in CA
Academic
7.9/10
7.9/10
Growth
5.2/10
Above average
Environment
5.5/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
39%
Teaching Staff
22:1 student-teacher ratio
86 teachers

Location

24825 North Newhall Ave., Newhall, CA 91321

Nearby Alternatives

Families considering William S. Hart High may also want to explore other high schools in the area. Bowman (Jereann) High (Continuation) (rated 6.0/10, 2.3 miles away, in nearby Santa Clarita), a more accessible option. Another option is Mission View Public (rated 5.8/10, 2.3 miles away, in nearby Lancaster), a more accessible option. Additionally, Academy of the Canyons (rated 4.9/10, 2.2 miles away, in nearby Santa Clarita), a more accessible option. For more schools in Newhall, see our Newhall schools guide .

Nearby Schools

20 within 3.0 mi
School Distance Rating
Learning Post Academy (Alternative) Santa Clarita 0.1 mi 4.1
OUR LADY OF PERPETUAL HELP SCHOOL Santa Clarita 0.2 mi 6.3
Placerita Junior High Newhall 0.3 mi 6.5
Newhall Elementary Newhall 0.4 mi 3.4
Old Orchard Elementary Valencia 0.6 mi 7.6
Peachland Avenue Elementary Newhall 0.8 mi 5.0
Meadows Elementary Valencia 1.1 mi 7.0
RISE & SHINE PRESCHOOL & KINDERGARTEN Newhall 1.2 mi
Wiley Canyon Elementary Newhall 1.3 mi 7.5
Dr. J. Michael McGrath Elementary Newhall 1.5 mi 7.5
Valencia Valley Elementary Valencia 1.8 mi 5.8
GREAT BEGINNINGS FOR LITTLE KIDS Newhall 1.9 mi
Mission View Public Lancaster 2.3 mi 5.8
Bowman (Jereann) High (Continuation) Santa Clarita 2.3 mi 6.0
MONTESSORI OF STEVENSON RANCH Stevenson Ranch 2.1 mi
Academy of the Canyons Santa Clarita 2.2 mi 4.9
CA KIDS LEARNING ACADEMY Santa Clarita 2.5 mi
CAlkids Learning Academy Santa Clarita 2.5 mi
Pico Canyon Elementary Stevenson Ranch 2.4 mi 6.1
Bridgeport Elementary Valencia 3.0 mi 6.4

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91321 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$93,281

Median Home Value

$654,300

Median Rent

$2,135/mo

Population

32,668

College Educated

31.3%

Homeownership

61.4%

Avg Commute

30.1 min

Poverty Rate

9.6%

Median Age

34.7

Community Profile

The community surrounding William S. Hart High has a median household income of $93,281. It is an area where 31% of adults hold a bachelor's degree or higher. The median home value in the area is $654,300, with a median rent of $2,135/month. The local poverty rate of 9.6% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Abraham Lincoln High Testville, CA 7.2
Adrian Wilcox High Santa Clara, CA 7.2
Benicia High Benicia, CA 7.2
Burroughs High Burbank, CA 7.2
Castaic High Castaic, CA 7.2
Christopher High Gilroy, CA 7.2

Frequently Asked Questions

Common questions about William S. Hart High

What grades does William S. Hart High serve?

William S. Hart High serves students in grades 9th through 12th.

How many students attend William S. Hart High?

William S. Hart High has an enrollment of approximately 1,930 students.

What is the student-teacher ratio at William S. Hart High?

The student-teacher ratio at William S. Hart High is 22.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does William S. Hart High rank in CA?

William S. Hart High is ranked #2976 out of 9,533 schools in CA.

What is William S. Hart High's MySchoolScout rating?

William S. Hart High has a composite rating of 7.2 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 William S. Hart High?

Based on the most recent state assessment data, William S. Hart High has 40.5% math proficiency and 74.2% reading/ELA proficiency.

Is William S. Hart High a charter school?

No, William S. Hart High is not a charter school. It is a traditional public school operated by the local school district.

Is William S. Hart High a Title I school?

No, William S. Hart High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for William S. Hart High?

39.4% of students at William S. Hart 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
75 Very Walkable
Bike Score
62 Bikeable
County Safety
Low (245/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,930
Student-Teacher Ratio
22.4:1
Teachers (FTE)
86
Free/Reduced Lunch
39.4%
Type
regular
Setting
Large Suburb
County
Los Angeles County
Data Year
2023–2024

District

William S. Hart Union High
District Enrollment
20,685
Schools in District
16
Per-Pupil Spending
$15,278
District Rank
#3 of 16

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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