Las Lomas High School is a public high school in Walnut Creek, California, United States. It was founded in 1951 by the Acalanes Union High School District, and opened its doors in the fall of 1952 to its first graduating class.
Serving 1,577 students in grades 9-12, Las Lomas High School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 54% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 67% (which is higher than the California state average of 47%).
The student-teacher ratio of 19:1 is lower than the California state level of 21:1.
Minority enrollment is 49% of the student body (majority Hispanic and Asian), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,577 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 49%
- Graduation Rate: 96% (Top 10% in CA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 54% (Top 20%)
- Reading Proficiency: 67% (Top 20%)
- Science Proficiency: 47% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Las Lomas High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Las Lomas High School's student population of 1,577 students has stayed relatively flat over five school years.
The teacher population of 81 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,577 students
Total Classroom Teachers
81 teachers
Year Founded
1951
Colors
Maroon, Gold
School Calendar
School Motto
We educate every student to excel and contribute in a global society.
Average Class Size
15 students
School Rankings
Las Lomas High School ranks within the top 20% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Las Lomas High School is 0.68, which is more 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
#1486 out of 9523 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
54%
34%
Reading/Language Arts Test Scores (% Proficient)
67%
47%
Science Test Scores (% Proficient)
47%
29%
Student-Teacher Ratio
19:1
21:1
American Indian
n/a
1%
Asian
17%
12%
Hispanic
17%
56%
Black
3%
5%
White
51%
20%
Hawaiian
1%
n/a
Two or more races
11%
6%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
15%
54%
Eligible for Reduced Lunch (21-22)
1%
7%
School Statewide Testing
School District Name
Acalanes Union High School District
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Knight
Frequently Asked Questions
What is Las Lomas High School's ranking?
Las Lomas High School is ranked #1486 out of 9,523 schools, which ranks it among the top 20% of public schools in California.
What schools are Las Lomas High School often compared to?
Las Lomas High Schoolis often viewed alongside schools like Acalanes High School, Campolindo High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
54% of students have achieved math proficiency (compared to the 34% CA state average), while 67% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Las Lomas High School?
The graduation rate of Las Lomas High School is 96%, which is higher than the California state average of 87%.
How many students attend Las Lomas High School?
1,577 students attend Las Lomas High School.
What is the racial composition of the student body?
51% of Las Lomas High School students are White, 17% of students are Asian, 17% of students are Hispanic, 11% of students are Two or more races, 3% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Las Lomas High School?
Las Lomas High School has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Las Lomas High School offer ?
Las Lomas High School offers enrollment in grades 9-12
What school district is Las Lomas High School part of?
Las Lomas High School is part of Acalanes Union High School District.
School Reviews
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