📊 Data: NCES CCD 2024–2025·🔄 Updated: May 2026·Editorial standards
📍 San Mateo Union, CA · San Mateo County

School District for
Zip Code 94128

South San Francisco Unified School District · Grades 9th – 12th

7
out of 10 Rating Good
State reading & math tests (CAASPP 2023–24) · 66th percentile in CA
● Steady — within 1 points of 2021–22
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Can I rent in San Mateo Union and still attend schools in this district?
Yes. School district assignment is based on your home address, not whether you own or rent. As long as your rental address falls within the South San Francisco Unified School District boundaries, your children are eligible to attend district schools.
How does the South San Francisco Unified School District rating compare to other districts in CA?
The South San Francisco Unified School District has an overall rating of 7/10 (Good) based on students’ reading and math proficiency on state assessments. Use our best districts in CA page to compare with other districts statewide.
School District · San Mateo Union, CA
South San Francisco Unified School District
📍 San Mateo County, CA · Zip Code 94128
7/10
Rating
7,868
Students
8
Schools
9th – 12th
Grade Span
Good Public school district serving San Mateo Union, CA. Per-pupil spending: $15,700/year (est.).
District Contact & InformationSource: NCES 2024–2025
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Grades Served
9th – 12th
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District Phone
🌐
District Website
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District Office
398 B St., South San Francisco, CA 94080
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District Type
Public School District
Schools in This District Source: NCES 2024–2025

South San Francisco Unified School District operates schools (grades 09–12). Individual school names, addresses, and attendance zone boundaries are available directly from the district.

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To find your child’s assigned school, contact http://www.smuhsd.org directly. School boundaries are updated annually and may vary by home address within the zip code.
District Statisticsvs. National Average
MetricSouth San Francisco Unified School DistrictNational AverageComparison
Student Enrollment7,8683,700↑ Larger than avg
Number of Schools176Varies by district
Per-Pupil Spending$15,700/yr (est.)$13,700/yrState avg est.
District TypePublic School DistrictPublic District
Overall Rating7/10 — GoodAbove average
🌏 District Map Boundary from U.S. Census TIGER
🏠 Is your address in this district?
📌
Always verify before deciding: Contact South San Francisco Unified School District directly to confirm your exact school assignment. Boundaries change annually and open enrollment may alter your options. Nearby zip codes are served by San Mateo Union High School District and San Francisco Unified School District — if your address is near a district line, your assignment may differ from this zip-level estimate.
How South San Francisco Unified School District Compares NearbyState percentile · CAASPP 2023–24
DistrictRatingPercentileStudents
South San Francisco Unified School District (this district)7/1066th7,868
San Mateo Union High School District9/1085th8,942
San Francisco Unified School District8/1075th48,000
🔢 Show the math behind this rating
Reading proficiency: 49.5% · Math proficiency: 38.5% · Combined average: 44%
Ranked against 963 rated districts in CA → 66th percentile7/10.
Source: California Dept. of Education CAASPP Smarter Balanced, 2023–24 school year. Full methodology →
Frequently Asked Questions
What grades does South San Francisco Unified School District serve?
South San Francisco Unified School District serves students from 9th – 12th. The district operates schools at multiple levels to serve all students in zip code 94128. Contact the district directly to confirm grade configurations at specific schools.
How do I contact South San Francisco Unified School District?
You can reach South San Francisco Unified School District via phone: (650)877-8700 or website: www.smuhsd.org. The district office can help with school assignment questions, enrollment, registration, and general inquiries about programs and services in zip code 94128.
Is South San Francisco Unified School District a public school district?
South San Francisco Unified School District is classified as a public school district. Public school districts are funded by local, state, and federal tax dollars and are open to all students residing within district boundaries. Enrollment is generally free of charge, and students are assigned to schools based on home address. To confirm eligibility and enrollment requirements for zip code 94128, contact South San Francisco Unified School District directly.
Schools in South San Francisco Unified School District17 schools · NCES 2024
🎓 High Schools (8)
  • Alta Loma Middle — Grades 6–8 · 652 students
  • Baden High (Continuation) — Grades 9–12 · 130 students
  • Buri Buri Elementary — Grades K–5 · 584 students
  • El Camino High — Grades 9–12 · 1053 students
  • Junipero Serra Elementary — Grades K–5 · 286 students
  • Los Cerritos Elementary — Grades K–5 · 304 students
  • Monte Verde Elementary — Grades K–5 · 517 students
  • Parkway Heights Middle — Grades 6–8 · 573 students
  • Ponderosa Elementary — Grades K–5 · 359 students
  • Skyline Elementary — Grades K–5 · 366 students
  • South San Francisco High — Grades 9–12 · 1239 students
  • Spruce Elementary — Grades K–5 · 384 students
  • Sunshine Gardens Elementary — Grades K–5 · 329 students
  • Westborough Middle — Grades 6–8 · 498 students
  • Martin Elementary — Grades K–5 · 370 students
  • Community Day — Grades 6–12 · 0 students
  • Hillside Elementary — Grades K–5 · 0 students
Source: NCES Common Core of Data 2024 via Urban Institute. School assignment within a zip code depends on your exact address — confirm with the district.

About South San Francisco Unified School District

South San Francisco Unified School District is the public school district assigned to zip code 94128 in San Mateo Union, California. Serving students from K–12, this district is the primary public education system for families living in and around zip code 94128. The sections below cover the district’s resources, scale, rating, and everything families need to know about enrollment and school assignment.

Funding and Resources

Public school districts in California spend approximately $15,700 per student per year on average (state-level estimate; district-level figures vary), above the national average (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

With 17 schools, South San Francisco Unified School District operates as a large district serving students from K–12. The district enrolls approximately 7,868 students in total. Large districts typically provide broad program variety: multiple course tracks at the high school level, dedicated arts and athletic programs, specialized learning pathways, and a wider range of student support services. Individual school quality within a large district can vary considerably — always research your specific assigned school, not just district-level averages.

Understanding the 7/10 Rating

South San Francisco Unified School District has earned an overall SchoolDistrictFinder rating of 7/10, placing it in the above average tier. Our ratings are based on state assessment results — the share of students scoring proficient or above in reading and math, as reported in California’s CAASPP Smarter Balanced assessments (2023–24 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.

South San Francisco Unified School District earns an above-average rating, with reading and math proficiency rates stronger than most other districts in California. Above-average districts generally show solid and consistent academic results across their schools. Families considering this area will find a district with meaningful academic strengths. Research the specific schools assigned to your address — even above-average districts have variation between individual buildings.

Enrollment for Families in Zip Code 94128

Children in zip code 94128 are assigned to South San Francisco Unified School District for public school enrollment, covering grades K–12. School assignments are address-specific — your elementary, middle, and high school placements depend on your exact street address within zip code 94128, 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 South San Francisco Unified School District at the number listed on the district website or visit the district’s official website. Typical enrollment documents include proof of residency (lease or deed plus a utility bill), your child’s birth certificate, current immunization records, and prior school records. 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 Mateo Union

School district quality is one of the most consistent factors in residential home pricing. Because South San Francisco Unified School District serves zip code 94128, district assignment still factors into home-pricing comparisons between zip code 94128 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 South San Francisco 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 94128.

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 South San Francisco Unified School District before making any housing or enrollment decision based on zip code 94128 data.

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District at a Glance
Overall Rating7/10
GradeGood
Grades Served9th – 12th
District TypePublic School District
Total Students
Total Schools17
Per-Pupil Spending$15,700/yr (est.)
Phone(650)877-8700
Data SourceNCES 2024
© 2026 SchoolDistrictFinder.us · [email protected] · Data: NCES 2024-2025
School district assignments are estimates based on NCES 2024 geographic data. Always verify your exact assignment directly with your local school district before making enrollment or real estate decisions. Ratings reflect academic performance data from state assessments and other publicly available metrics.