William S. Hart Union High School District
Schools by level
Middle school 6 · High school 8
At a glance
- Students
- 20,493 (2024-25)
- Schools
- 14
- Students per teacher
- 23.1
- Grades
- K-12
- Locale
- Suburb: Large
- District office
- 21380 Centre Pointe Pkwy., Santa Clarita, CA 91350
- Phone
- (661) 259-0033
- Website
- www.hartdistrict.org
Official rating
State test: share meeting the standard · % met or exceeded standard (all grades, all students)
ELA 70% · Math 52% (CAASPP 2026)
California Department of Education — CAASPP Smarter Balanced research file 2025-26The official rating for this district is not linked yet.
Check the zoned school for an address
Each address is zoned to specific schools. Confirm with the district's official lookup tool or office before you sign a lease.
Schools (14)
Official campus ratings are shown with their year. Use the address lookup to confirm zoning.
Middle school 6
Arroyo Seco Junior High
Grades 7-8 · Valencia · Students 1,239 · ELA 67% · Math 56% (CAASPP 2026)
La Mesa Junior High
Grades 7-8 · Santa Clarita · Students 1,017 · ELA 61% · Math 47% (CAASPP 2026)
Placerita Junior High
Grades 7-8 · Newhall · Students 940 · ELA 64% · Math 46% (CAASPP 2026)
Rancho Pico Junior High
Grades 7-8 · Stevenson Ranch · Students 842 · ELA 80% · Math 67% (CAASPP 2026)
Rio Norte Junior High
Grades 7-8 · Santa Clarita · Students 1,138 · ELA 77% · Math 67% (CAASPP 2026)
Sierra Vista Junior High
Grades 7-8 · Canyon Country · Students 946 · ELA 51% · Math 38% (CAASPP 2026)
High school 8
Academy of the Canyons
Grades 9-12 · Santa Clarita · Students 385 · ELA 95% · Math 82% (CAASPP 2026)
Canyon High
Grades 9-12 · Canyon Country · Students 1,952 · ELA 81% · Math 64% (CAASPP 2026)
Castaic High
Grades 9-12 · Castaic · Students 1,159 · ELA 70% · Math 37% (CAASPP 2026)
Golden Valley High
Grades 9-12 · Santa Clarita · Students 1,980 · ELA 62% · Math 27% (CAASPP 2026)
Saugus High
Grades 9-12 · Saugus · Students 2,317 · ELA 85% · Math 48% (CAASPP 2026)
Valencia High
Grades 9-12 · Valencia · Students 2,286 · ELA 83% · Math 55% (CAASPP 2026)
West Ranch High
Grades 9-12 · Valencia · Students 1,777 · ELA 87% · Math 60% (CAASPP 2026)
William S. Hart High
Grades 9-12 · Newhall · Students 1,941 · ELA 68% · Math 43% (CAASPP 2026)
Checklist before renting in this district
Check these before you sign a lease.
Checked the assigned school for the exact address with the official lookup before signing
Source:Fairfax County Public Schools (checked 2026-10-29)
Asked the district or council whether boundary or admission changes are planned
Asked whether the assigned school has room (or sends overflow elsewhere)
Checked that the lease is accepted as proof of address on the enrolment list
Source:U.S. Department of Education (NCELA) (checked 2026-10-29)
Asked how the assigned school supports English learners (ESL/EAL)
Source:U.S. Department of Education (NCELA) (checked 2026-10-29)
Checked the commute (school-bus eligibility, walking route)
ESL / ELL support
US public schools must support students learning English. At enrolment families complete a Home Language Survey and an English assessment decides the support. Ask the district about its programmes.
F-1 student visas cannot be used for US public elementary or middle schools (K-8); public high school on an F-1 is limited to 12 months with full tuition paid (US Department of State). Your status depends on the parents' visa, so confirm with official sources.
Sources
- NCES Common Core of Data — 2024-25 preliminary directory files2024-25· Checked 2026-10-28
- NCES Common Core of Data (EDGE school & district characteristics)2024-25· Checked 2026-10-28
- California Department of Education — CAASPP Smarter Balanced research file 2025-262026
School and district lists come from the NCES Common Core of Data; ratings from each state education agency. Every number carries its year. No house prices, crime data or home-made rankings.
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