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PublicHighGrades 9–12
15701 Lorenzo Ave., San Lorenzo, CA 94580 · (510) 317-4000 · Part of San Lorenzo Unified School District
San Lorenzo’s School Grade C+ better than 42% of California school districts
Students
1,499
Students per teacher
25:1
Free or reduced lunch
65%
Setting
Suburb
Grades
9–12
What stands out about Arroyo High
- Larger classes: 25 students per teacher
- Enrollment down 15.4% since 2020–21
- No state test results published for this school
On the path
Where San Lorenzo kids come from and go next. The whole path →
6–8Bohannon Middle606 students
9–12Arroyo HighYou are here
Location
Directions ↗














15701 Lorenzo Ave., San Lorenzo
Students
Enrollment by grade
Grade 9384
Grade 10371
Grade 11371
Grade 12373
Enrollment over time
1,772’20
1,690’21
1,610’22
1,542’23
1,499’24
Down 15.4% since 2020–21.
Who goes here
Hispanic 50%Asian 31%White 7%Black 6%Two or more races 4%Native Hawaiian/Pacific Islander 2%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Arroyo High from San Lorenzo families.
Other schools in San Lorenzo Unified School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Map: © OpenStreetMap contributors.