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Arroyo High School

Public School | Grades 9-12 | San Lorenzo Unified
15701 Lorenzo Ave
San Lorenzo, CA 94580
(510) 317-4000

About This School

Arroyo High School is located in San Lorenzo, CA and is one of 6 high schools in San Lorenzo Unified School District. It is a public school that serves 1789 students in grades 9-12. See Arroyo High School's test results to learn more about school performance.

A school's Academic Performance Index (API) is a scale that ranges from 200 to 1000 and is calculated from the school's performance in the Standardized Testing and Reporting (STAR) Program. The state has set 800 as the API target for all schools to meet.

Arroyo High School had an API growth score of 794 in 2012. California uses the Academic Performance Index (API) to measure annual school performance and year-to-year improvement. Arroyo High School's 2012 base score was 783 and the school did meet its 2012 school-wide growth target.

In 2010, Arroyo High School had 24 students for every full-time equivalent teacher. The California average is 24 students per full-time equivalent teacher.

Student Ethnicity (2011)

Students (2011)


Students Per Teacher (2010)

Female/Male (2011)

46% 54%

Subsidized Lunch (2011)


District Spending (2010)

per student
See All Test Scores

All Grades Summative High School Mathematics Performance

CST Results
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Arroyo High School Reviews

By a Current Student on

Arroyo has about 2,000 kids and most classes have about 30-35 kids. The teachers are  really cool, you can talk to them whenever you need help woth school or just want to chat. The sports and arts programs are losing funding, as well as the rest of the schoool, but there are still many classes to choose from.

By a Current Student on

It's a terrible idea to enforce a 'major-based' class categorization system for high school.

By a Parent on

My kid enjoy this school very much.

Arroyo High School Photos

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