Arroyo High

High school·Grades 9-12 San Lorenzo, California·94580
Score
66.4/100
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#581
Among 1,729 California high schools
#1
In San Lorenzo Unified
Top 34%
In California

Score 66.4/100: better than 66% of California high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% met or exceeded standard on state tests in California, all students. Colored bars are green when the school is at or above the average for similar California schools.

English language arts
59%
Similar California schools ≈ 57%, better than 63% of them
334 students tested
Math
31%
Similar California schools ≈ 31%, better than 70% of them
321 students tested
Science
28%
Similar California schools ≈ 33%, better than 60% of them
321 students tested
All California schools (ELA / math)
49% / 37%
State average across every school type, 2024-25
All 9 published results by grade and test

As published by California Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 11Smarter Balanced ELA59.0334
English language artsAll gradesSmarter Balanced ELA59.0334
MathGrade 11Smarter Balanced Math31.1321
MathAll gradesSmarter Balanced Math31.1321
ScienceGrade 11CAST28.9305
ScienceGrade 12CAST18.816
ScienceGrade 14CAST28.4321
ScienceAll gradesCAST28.4321
ScienceGrade 99CAST35.8341

School profile

Grades
9-12
Students
1,542
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
1,542
Typical high school: 434
Free or reduced-price lunch
63%
Typical high school: 70%

District and location

School district
City
Alameda County

Contact

Address
15701 Lorenzo Ave.
San Lorenzo, CA 94580

"Typical" is the middle (median) high school in California. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Arroyo High at a glance

Arroyo High is a public high school in San Lorenzo, California, serving grades 9-12. It is part of the San Lorenzo Unified school district. It has about 1,542 students (a typical California high school has 434). About 63% of students are eligible for free or reduced-price lunch, compared with 70% at a typical California high school, which is useful context when reading test results.

In 2024-25 state tests, 59% in English language arts (similar schools: 57%) and 31% in math (similar schools: 31%) reached the state standard (% met or exceeded standard). On our score, which compares it only with other California high schools, it scores 66.4 out of 100: better than 66% of them, ranking #581 of 1,729. Its English language arts result rose by 6 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.