San Marino Unified School District operates 4 schools (grades KG–12). Individual school names, addresses, and attendance zone boundaries are available directly from the district.
| Metric | San Marino Unified School District | National Average | Comparison |
|---|---|---|---|
| Student Enrollment | 3,200 | 3,700 | ≈ Near average |
| Number of Schools | 4 | 6 | Varies by district |
| Per-Pupil Spending | $15,700/yr (est.) | $13,700/yr | State avg est. |
| District Type | Public School District | Public District | — |
| Overall Rating | 10/10 — Excellent | — | Top 10% in CA |
- Carver Elementary — Grades K–5 · 777 students
- Valentine Elementary — Grades K–5 · 711 students
- Huntington Middle — Grades 6–8 · 709 students
- San Marino High — Grades 9–12 · 886 students
About San Marino Unified School District
San Marino Unified School District is the public school district assigned to zip code 91108 in San Marino, California. Serving students from Kindergarten – 12th, this district is the primary public education system for families living in and around zip code 91108. The sections below cover the district’s resources, scale, rating, and everything families need to know about enrollment and school assignment.
Funding and Resources
Per-pupil spending at San Marino Unified 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
San Marino Unified School District is a mid-sized district with 4 schools serving students from Kindergarten – 12th. The district enrolls approximately 3,200 students in total. 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 10/10 Rating
SchoolDistrictFinder rates San Marino Unified School District 10 out of 10 — top-tier among California public school districts. Our ratings are based on state assessment results — the share of students scoring proficient or above in reading and math, as reported in the U.S. Department of Education’s EDFacts collection (2017–18 school year). We average each district’s reading and math proficiency, then rank it against other districts in the same state to produce a 1–10 score. Because California is compared only against itself, the rating reflects how this district performs relative to its in-state peers.
San Marino Unified School District ranks among the highest-performing public school districts in California on state assessments, with reading and math proficiency rates in roughly the top 10–20% statewide. Homes in and around zip code 91108 often carry a measurable premium relative to neighboring areas served by lower-rated districts. Families moving here for academic strength will find a district whose students test well above the state norm. Even within top-rated districts, individual school performance varies — confirm your specific school assignments directly with the district.
Enrollment for Families in Zip Code 91108
Children in zip code 91108 are assigned to San Marino Unified 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 91108, 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 San Marino Unified School District at (626)299-7000 or visit www.smusd.us. 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 San Marino
Research consistently shows that district assignment affects residential property values. Because San Marino Unified School District serves zip code 91108, homes in and around zip code 91108 often carry a measurable premium over comparable properties in adjacent lower-rated districts. 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 San Marino Unified 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 91108.
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 San Marino Unified School District before making any housing or enrollment decision based on zip code 91108 data.