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Public high school · San Marino Unified · San Marino, California

San Marino High

San Marino High rates 7.2, right at the middle of San Marino Unified's high schools, whose rated median is 7.2.

High schools, 1 to 10This campus against public high schools around it that are rated on verified state test data.
7.2this school

7.2 on a one-to-ten scale; the San Marino Unified median is 7.2.

#2,985 of 9,557 schools in California · San Marino Unified: 1 high schools rated, median 7.2

The brief

A San Marino Unified high school where students score 11 points above what's typical for similar communities.

It ranks 2,985 of 9,557 schools in California and 1 of 4 in San Marino Unified.

San Marino High is listed in San Marino Unified, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math78%44 points above the California average of 34%2025 CAASPP
Reading85%32 points above the California average of 53%2025 CAASPP
Proficiency declined earlier in the 17-year record (2009–2025), then recovered 9 points since 2020, reaching 81% in 2025.2025 CAASPP; 34 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
1.5
25% of the rating
Academics
9.3
25% of the rating
College Readiness
9.0
30% of the rating
Resources & Environment
9.2
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 85% (multi-year average, 2009-2025) · reading/ELA 86% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 91108; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our dataHow we calculate scores

The neighborhood

Where it sits, and what the area looks like.
San Marino High and the 20 nearest high schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

Open the Los Angeles school map to see school quality against home prices across the metro.

The area

Median income
$186,023
Median home value
$2,000,001
Median rent
$3,501/mo
College educated
80.2%
Homeownership
82%
Poverty rate
5.8%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91108; this is area context, not an attendance boundary.

Getting around

Walk Score
64
Somewhat Walkable
Bike Score
39
Somewhat Bikeable
City reported crime
1,864/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for San Marino. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (San Marino), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

AP and IB
3 AP courses
45.4% participation · state average 2.6 AP courses · CRDC via Urban Institute · SY 2021–22
Athletics
22 sports
11 boys' · 11 girls' · 24 teams (incl. JV) · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
5 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
10.6%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Temple City High2.0 mi
    7.6Compare →
  2. San Marino Highthis school
    7.2
  3. San Gabriel High2.3 mi
    6.7Compare →
  4. Rose City High (continuation)2.3 mi
    6.4Compare →
  5. Options for Youth San Gabriel1.9 mi · charter
    5.5Compare →
  6. Del Mar High1.8 mi
    4.4Compare →
  7. Options for Youth - Duarte Inc1.6 mi · charter
    4.3Compare →
  8. Learning Works1.6 mi · charter
    2.7Compare →
  9. Temple City Alternative2.0 mi
    not ratedCompare →
Eight grade-compatible schools using the same rating model sit within 5 miles, and one rates higher than San Marino High among the rated peers.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

The public record

What's said publicly about San Marino High

Sources:School's website

Synthesized from public, attributable sources. Updated May 2026.

San Marino High School (SMHS) is a National Blue Ribbon School, recognized as one of 13 high schools in California to win the award in the Exemplary Achievement category 1. The school offers extensive academic programming, including 15 honors courses and 16 Advanced Placement (AP) courses 1. SMHS earned AP Platinum status for the second consecutive year 1. In the 2018-19 academic year, 227 seniors took the SAT, achieving a mean score of 1337, which placed them in the 89th percentile nationally 1. Additionally, 105 graduates took the ACT in 2018 with an average composite score of 28.4, and the Class of 2019 included eight National Merit Semifinalists 1. The school provides Career Technical Education (CTE) courses in areas such as digital arts, computer science, and business management 1. Its Marching Band earned marks of excellence and first-place titles for the band, drum line, and color guard at the Rowland High School and Glenn A Wilson High School Field Tournaments in 2018-19 1.
Sources (1)
  1. www.sanmarinohs.org
Generated by AI from public sources. Every claim is grounded in a cited source.Report inaccuracy

Questions families ask

What grades does San Marino High serve?

San Marino High serves students in grades 9th through 12th.

How many students attend San Marino High?

San Marino High has an enrollment of approximately 837 students.

What is the student-teacher ratio at San Marino High?

The student-teacher ratio at San Marino High is 19.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does San Marino High rank in CA?

San Marino High ranks #2,985 of 9,557 schools in CA.

What is San Marino High's MySchoolScout rating?

San Marino High has a current MySchoolScout rating of 7.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at San Marino High?

Based on loaded state assessment records, San Marino High has 85% math proficiency (multi-year average, 2009-2025) and 86% reading/ELA proficiency (multi-year average, 2009-2025).

Is San Marino High a charter school?

No, San Marino High is not a charter school. It is a traditional public school operated by the local school district.

Is San Marino High a Title I school?

No, San Marino High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for San Marino High?

10.6% of students at San Marino 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.

School facts

Grades
9th – 12th
Enrollment
837
Student-teacher ratio
19.5:1
Teachers (FTE)
43
Type
Regular
Title I
No
Setting
Large Suburb
County
Los Angeles County
Phone
(626) 299-7020
4-year graduation
95%+
Class of 2023
Rank in district
#1 of 4
Schools in district
4
District spending per student
$16,969
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
5.8%
Census SAIPE · 2024
Area population (ZIP 91108)
12,464
Area average commute
28.4 min
Area median age
45.6

NCES Common Core of Data (CCD) (SY 2023–24).

Sources and official links

Keep exploring

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.