Serving 1,136 students in grades 9-12, San Lorenzo High School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 13% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 34% (which is lower than the California state average of 47%).
The student:teacher ratio of 23:1 is higher than the California state level of 21:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,136 students
- Student:Teacher Ratio: 23:1
- Minority Enrollment: 96%
- Graduation Rate: 91% (Top 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 13% (Btm 50%)
- Reading Proficiency: 34% (Btm 50%)
- Science Proficiency: 14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
San Lorenzo High School's student population of 1,136 students has declined by 15% over five school years.
The teacher population of 50 teachers has declined by 18% over five school years.
School Mascot
Grizzlies
Grades Offered
Grades 9-12
Total Students
1,136 students
Gender %
Total Classroom Teachers
50 teachers
Year Founded
1950
School Colors
White, Maroon, Gold
School Rankings
San Lorenzo High School ranks within the bottom 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of San Lorenzo High School is 0.48, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#7221 out of 9602 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
13%
33%
Reading/Language Arts Test Scores (% Proficient)
34%
47%
Science Test Scores (% Proficient)
14%
29%
Student : Teacher Ratio
23:1
21:1
American Indian
n/a
1%
Asian
11%
12%
Hispanic
71%
56%
Black
10%
5%
White
4%
20%
Hawaiian
2%
n/a
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
91%
87%
Eligible for Free Lunch
72%
54%
Eligible for Reduced Lunch
13%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is San Lorenzo High School's ranking?
San Lorenzo High School is ranked #7221 out of 9,602 schools, which ranks it among the bottom 50% of public schools in California.
What schools are San Lorenzo High School often compared to?
San Lorenzo High Schoolis often viewed alongside schools like Arroyo High School, San Leandro High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
13% of students have achieved math proficiency (compared to the 33% CA state average), while 34% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of San Lorenzo High School?
The graduation rate of San Lorenzo High School is 91%, which is higher than the California state average of 87%.
How many students attend San Lorenzo High School?
1,136 students attend San Lorenzo High School.
What is the racial composition of the student body?
71% of San Lorenzo High School students are Hispanic, 11% of students are Asian, 10% of students are Black, 4% of students are White, 2% of students are Hawaiian, and 2% of students are Two or more races.
What is the student:teacher ratio of San Lorenzo High School?
San Lorenzo High School has a student ration of 23:1, which is higher than the California state average of 21:1.
What grades does San Lorenzo High School offer ?
San Lorenzo High School offers enrollment in grades 9-12
What school district is San Lorenzo High School part of?
San Lorenzo High School is part of San Lorenzo Unified School District.
School Calendar
View the San Lorenzo High School below. Note key dates such as:
Event
Date
Last Day of School (San Lorenzo Events)
June 04, 2025 (Wednesday)
School Reviews
Review San Lorenzo High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles

43 Fantastic ESL Resources for Students
We've put together this ESL resource guide to help students, from teens to adults, get the help they need to achieve their goals with learning English

Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.

2011 Classroom Size Update: Are Classes Still Growing Larger?
Since the recession, public school classrooms have seen major budget cuts - and many increases in class sizes. How is the situation in 2011? Read this article to find out.