Very Good
#2618 of 9,539 schools in CA
Top 27% in state
Arroyo High
High School · San Lorenzo Unified · San Lorenzo, CA
A San Lorenzo Unified high school where students score 6 points above what's typical for similar communities.
15701 Lorenzo Ave., San Lorenzo, CA 94580
- Math 30% vs CA 32% (2024)
- Reading 53% vs CA 52% (2024)
- 96.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Arroyo High score 42% proficient, which is above what's typical for similar communities (expected: 36%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↓ DecliningProficiency has fallen 8 points since 2017, to 42% in 2024, across a 16-year record (2009–2024).
Show all 12 years
Multi-year averages used by the rating model: math 45% (multi-year average, 2009-2024) · reading/ELA 57% (multi-year average, 2009-2024)
Based on 26 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
68.6%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Arroyo High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 57Somewhat Walkable
- Transit 39Some Transit
- Bike 64Bikeable
- County Safety: Low181/100K
Powered by
FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$110,106
Median home value
$820,100
Median rent
$2,164/mo
College educated
25.7%
Homeownership
73.6%
Poverty rate
6.9%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94580; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Redwood Christian Middle School and High SchoolPrivate · tuition | 6.3private | K–12 | 0.3 mi | 667 | Compare → |
| Kipp King Collegiate HighCharter · enrollment unverified | 9.0 | 9–12 | 0.8 mi | 690 | Compare → |
| East Bay Arts HighEnrollment path unverified | 5.7 | 9–12 | 1.1 mi | 133 | Compare → |
| San Lorenzo HighEnrollment path unverified | 5.0 | 9–12 | 1.1 mi | 1,136 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
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.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
San Lorenzo Unified
- Schools in district
- 17
- Rank in district
- #1 of 16
- District spending per student
- $17,124NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 9.7%Census SAIPE · 2024
Arroyo High is listed in San Lorenzo Unified; a district label does not verify attendance for an address.
About Arroyo High
Arroyo High is a public high school in San Lorenzo, CA, part of San Lorenzo Unified, serving approximately 1,542 students in grades 9th-12th with a 25.3:1 student-teacher ratio. It holds a MySchoolScout rating of 7.5 out of 10 and ranks #2,618 of 9,539 schools in CA. State assessment records show 45% math proficiency (multi-year average, 2009-2024) and 57% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Arroyo High
What grades does Arroyo High serve?
Arroyo High serves students in grades 9th through 12th.
How many students attend Arroyo High?
Arroyo High has an enrollment of approximately 1,542 students.
What is the student-teacher ratio at Arroyo High?
The student-teacher ratio at Arroyo High is 25.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Arroyo High rank in CA?
Arroyo High ranks #2,618 of 9,539 schools in CA.
What is Arroyo High's MySchoolScout rating?
Arroyo High has a current MySchoolScout rating of 7.5 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 Arroyo High?
Based on loaded state assessment records, Arroyo High has 45% math proficiency (multi-year average, 2009-2024) and 57% reading/ELA proficiency (multi-year average, 2009-2024).
Is Arroyo High a charter school?
No, Arroyo High is not a charter school. It is a traditional public school operated by the local school district.
Is Arroyo High a Title I school?
No, Arroyo High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Arroyo High?
68.6% of students at Arroyo 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 factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,542
- Student-Teacher Ratio
- 25.3:1
- Teachers (FTE)
- 61
- Type
- regular
- Setting
- Large Suburb
- County
- Alameda County
- Chronic Absenteeism (SY 2022-23)
- 18.1%
- Phone
- (510) 317-4000
- 4-Year Graduation
- 96.0%
- Area population (ZIP 94580)
- 28,866
- Area average commute
- 33 min
- Area median age
- 41.6
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- 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 · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 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 · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · 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 94580; 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, 2009-2024; directory SY 2023–24
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