How does Las Lomas High compare to other high schools in Walnut Creek?

Las Lomas High has a SchoolScope composite score of 72.8/100, placing it at the 93rd percentile statewide. 37% of students exceed standard, with a total of 757 students tested across grades and subjects.

What percentage of students exceed standards at Las Lomas High?

36.6% of students at Las Lomas High exceed the state standard on CAASPP assessments, while 63.8% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Las Lomas High?

14.5% of students at Las Lomas High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Las Lomas High

High School

Acalanes Union High Walnut CreekContra Costa County94596

📍 1460 South Main Street

Composite Score

out of 100

State Percentile

of high schools

State Rank

of 1,739 California high schools

💪

Strong All-Around

Strong across every dimension we measure — academics, growth, culture, and engagement.

Composite scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

1,568 students

Student-Teacher Ratio

20:1

Free/Reduced Lunch

14%

Teachers

78 full-time

College & career readiness

Graduation Rate

98.4%

AP Exam Prepared

79.6%

A-G Completion

78.9%

College-Going Rate

88.2%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

ELA Year-over-Year

Declined

-11.8 pts DFS change

Math Year-over-Year

Increased

+4.2 pts DFS change

EL Proficiency (ELPAC)

15.6%

English learners at Level 4 (Well Developed) · 96 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic16.1%

White54.5%

Asian13.7%

Black3.2%

Other12.5%

Performance breakdown

Performance breakdown for Las Lomas High
Category	Percentage
Exceeded Standard	36.6%
Met Standard	27.2%
Below Standard	36.2%

What other rankings don't show you

Most rating sites report "64% proficient" for Las Lomas High and stop there. Here's what that number hides:

36.6% of students exceeded standard while 27.2% met it. That exceeded rate is 21.1 points above the state average of 15.5%. That's 4.0 points below the Acalanes Union High district average of 40.6%. Compared to the 1 nearby schools within ~3 miles, this exceeded rate is 32.3 points higher (vs 4.3% average). The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 98.4% — above the state target. 78.9% of students complete A-G requirements for UC/CSU eligibility — a strong college readiness signal. 88.2% of graduates go on to college within a year.

Chronic absenteeism is 14.5%, better than the state average of 34.0%.

Why the exceeded vs. met split matters →