William S. Hart Union High School District operates 10 schools (grades KG–12). Individual school names, addresses, and attendance zone boundaries are available directly from the district.
| Metric | William S. Hart Union High School District | National Average | Comparison |
|---|---|---|---|
| Student Enrollment | — | 3,700 | Data not available |
| Number of Schools | 16 | 6 | Varies by district |
| Per-Pupil Spending | $15,700/yr (est.) | $13,700/yr | State avg est. |
| District Type | Supervisory Union | Public District | — |
| Overall Rating | 6/10 — Average | — | Near average |
About William S. Hart Union High School District
William S. Hart Union High School District serves zip code 91351, covering William S. Hart Union, California with grades Kindergarten – 12th. Whether you’re researching a move, evaluating a home purchase, or preparing to enroll a child, the sections below give you a complete picture of this district’s resources, size, and what its rating means for your family.
Funding and Resources
Per-pupil spending at William S. Hart Union High School District runs approximately $15,700 annually, placing it near the California state average of approximately $16,500 and above the national average nationally (U.S. average: $13,700/year). Above-average spending generally translates to more instructional resources per student, stronger program variety at the middle and high school levels, and better-maintained facilities. Per-pupil spending directly affects teacher compensation, class sizes, elective course offerings, technology access, and the depth of student support services — making it one of the most meaningful structural indicators of district capacity.
District Scale and Program Breadth
William S. Hart Union High School District is a mid-sized district with 10 schools serving students from Kindergarten – 12th. Mid-sized districts strike a balance between community-scale relationships and sufficient program breadth. Most offer core academic tracks, basic extracurricular programs, and adequate student support services.
Understanding the 6/10 Rating
SchoolDistrictFinder rates William S. Hart Union High School District 6 out of 10 — average among California public school districts. Our ratings are built from NCES Common Core of Data and measure structural factors: per-pupil expenditure, student-teacher ratio, enrollment stability, and school count. They do not incorporate test scores or graduation rates, which are not consistently available across all 13,500+ US districts in the NCES dataset.
William S. Hart Union High School District falls in the middle of the performance spectrum with an average rating. Average districts provide foundational public education with functional academic programs, though they may not match the resource breadth of higher-rated districts in the same region. Many families find that average-rated districts deliver solid day-to-day education, particularly when parents stay engaged and involved. If you're considering this area, look beyond the overall rating: visit schools, talk to current parents, and research the specific school your child would attend. Average districts often have individual schools that significantly outperform the district mean.
Enrollment for Families in Zip Code 91351
Children in zip code 91351 are assigned to William S. Hart Union High School District for public school enrollment, covering grades Kindergarten – 12th. School assignments are address-specific — your elementary, middle, and high school placements depend on your exact street address within zip code 91351, not just your neighborhood. Two homes on opposite ends of the same zip code may be assigned to different schools within the same district.
To confirm your specific school assignments, contact William S. Hart Union High School District at (661)259-0033 or visit www.hartdistrict.org. Typical enrollment documents include a signed lease or mortgage statement, birth certificate, state-required immunization documentation, and recent report cards or transcripts. If your child has an IEP or 504 plan, bring that documentation to enrollment — California districts are required to continue services within a reasonable period. Fall enrollment windows typically open in late winter or early spring; contact the district for exact dates and required steps.
School Districts and Home Values in William S. Hart Union
Research consistently shows that district assignment affects residential property values. Because William S. Hart Union High School District serves zip code 91351, district assignment still factors into home-pricing comparisons between zip code 91351 and neighboring areas. District boundaries are address-specific — verify the exact district assignment for any property you’re seriously considering rather than assuming based on the neighborhood. A single block can place two adjacent homes in different districts with different ratings and different annual property tax implications.
Use the property tax estimator on this page to calculate estimated annual tax obligations based on your target purchase price. In California, property taxes are a primary funding source for public schools — your tax payments directly support William S. Hart Union High School District programs and staff. Understanding both district quality and the associated tax burden is essential financial due diligence before committing to any home in zip code 91351.
Data Sources and Accuracy
All district information on this page is sourced from the NCES Common Core of Data (CCD) 2024–2025, the U.S. Department of Education’s annual census of all public school districts — the same dataset used by researchers, journalists, and policymakers to analyze American public education. District boundaries, school assignments, phone numbers, and per-pupil expenditure figures are updated annually when NCES publishes new data, typically in spring. Always verify your specific school assignment and enrollment requirements directly with William S. Hart Union High School District before making any housing or enrollment decision based on zip code 91351 data.