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SCHOOL COMMUNITY·CONEJO VALLEY UNIFIED·NCES 060964001031

Westlake High

100 North Lakeview Canyon Rd., Westlake Village, CA 91362 · (805) 497-6711 · Ventura County
GRADES 09–12HIGH12-CITYREGULAR SCHOOL1,900 STUDENTS
B-
allk12 Grade
Scored higher than 50% of California public high schools
  • A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • C-Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools

Enrollment
1,900
High
DISTRICT 1,431 · STATE 838
Student : Teacher
23.9:1
80 FTE teachers
DISTRICT 19.4:1 · STATE 18.2:1
Free / Reduced Lunch
18%
336 students
DISTRICT 30% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 946324%
Grade 1046424%
Grade 1145524%
Grade 1251827%
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 62% · US 70%
White
95850%
DISTRICT 49% · STATE 20% · US 43%
Hispanic
52728%
DISTRICT 33% · STATE 56% · US 30%
Black
322%
DISTRICT 1% · STATE 5% · US 15%
Asian
23512%
DISTRICT 10% · STATE 12% · US 6%
Two+
1397%
DISTRICT 7% · STATE 6% · US 5%
Native American
50%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
97851%
Female
91948%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
76.5%
CA avg 49.1% . -9.5pp since 2014
Math
50.7%
CA avg 37.7% . -18.3pp since 2014

What this means: On the CAASPP, California's statewide test, about 77 of every 100 students at this school read and write at grade level and about 51 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 10 points since 2014, while math scores are down about 18 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts48.6%27.9%12.9%10.6%
Math29.9%20.7%20.3%29.0%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2576.5%50.7%
2023-2463.3%45.7%
2022-2371.6%46.0%
2021-2273.8%58.0%
2020-2175.7%57.7%
2018-1967.1%53.4%
2017-1870.1%54.1%
2016-1780.2%59.1%
2015-1683.0%62.0%
2014-1586.0%69.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
59.0%
composite math + reading, all grades
Predicted
69.2%
based on CA schools with similar FRL share
Beats by
-10.1pp
below demographic expectation

What this means: About 59% of students here test proficient in math and reading, compared with the roughly 69% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Westlake High

Westlake High's state test result (59.0% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Westlake High this school1,90017.7%59.0%
Newbury Park High
Newbury Park
2,04717.5%56.3%
Poway High
Poway
2,10121.8%56.7%
Whitney High
Rocklin
2,04120.9%58.8%
Las Lomas High
Walnut Creek
1,57715.4%63.6%
Twelve Bridges High
Lincoln
1,31720.3%46.0%
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Westlake High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Ventura County
State test proficiency
ranked highest first
59.0%#185 of 1,052#6 of 22
Math proficiency
ranked highest first
50.7%#163 of 1,056
▲ 28
#6 of 22
▼ 1
Reading proficiency
ranked highest first
76.5%#140 of 1,056
▲ 233
#6 of 22
▲ 3
3-year test score change
ranked biggest drop first
-2.3pp#238 of 1,044#4 of 22
Enrollment
ranked largest first
1,900#347 of 2,093#10 of 39
Students per teacher
ranked fewest first
23.9:1#1,095 of 1,352#20 of 28
Diversity index
ranked most diverse first
64.7%#269 of 1,351#3 of 28
Free and reduced lunch
ranked highest share first
17.7%#1,503 of 1,575#29 of 32
Enrollment change since 2017-18
ranked steepest decline first
-13.4%#341 of 802#9 of 23
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,900
-298 (-14%) vs 2020
+12% since 1990-91, when it was 1,691
Student : Teacher
23.9:1
was 25.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,90079.623.9:118% (336)
2023-242,01084.523.8:118% (364)
2022-232,08389.323.3:117% (361)
2020-212,1988725.3:117% (375)
2017-182,1948625.5:119% (422)
2015-162,3708627.6:115% (360)
2010-112,379N/AN/A11% (263)
2000-012,1148824.0:17% (146)
1990-911,6916924.5:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Westlake High.

Since 2017-18: students down 13% (2,194 to 1,900); teachers down 7% (86 to 79.6).

About Westlake High

As a large high school, Westlake High serves students in Westlake Village, California. Enrollment totals 1,900 students across grades 9 through 12. The school is 127% larger than the average for high schools in California.

Westlake High is part of a district of 26 schools: Conejo Valley Unified, with 15,713 students.

About 50% of the student body at Westlake High is White. Enrollment also includes 28% Hispanic, 12% Asian, and 7% multiracial. Ventura County residents are about 52% White, a similar share. On a 0 to 100 scale, the school's diversity index is 65, compared with 70 nationally.

Based on 79.6 full-time-equivalent teachers, Westlake High has a ratio of 23.9:1. The average for high schools in California, 18.2:1, is lower. Income data for the school show 18% of students eligible for free or reduced-price lunch. It compares with 59% for public schools in Ventura County.

Westlake High earns a B- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 50% of California public high schools.

BeatsExpectations compares each school's average proficiency rate across its state test results with a prediction based on free or reduced-price lunch eligibility. For Westlake High, the prediction is 69.2% and the result is 59.0%.

For the population of Ventura County, the median household earns about $109,797 a year, a bachelor's degree or higher is held by about 36% of adults, and the poverty rate is about 7%. Across Ventura County, 238 public schools serve about 147,841 students.

Westlake Hills Elementary, about 0.8 miles away, is the closest public school. Counting only straight-line distance, at least 8 other public schools are within five miles. Westlake High places 5th of 5 on proficiency among the closest schools that report scores.

The school is inside a principal city with a population between 100,000 and 250,000, according to its NCES locale (City: Mid-size).

Over the 4 years from 2020-21 to 2024-25, enrollment fell 14%. The ratio of students to teachers went from 25.3:1 to 23.9:1 over the same years.

This page is a place to ask questions and share updates about fundraisers, report cards, and school supplies at Westlake High. Members of the school community can share what they know.

Ventura County at a glance

View full county profile
Population
837,469
Census ACS
Median income
$109,797
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
238
147,841 students

Quick facts

School name
Westlake High
District
Conejo Valley Unified
Address
100 North Lakeview Canyon Rd., Westlake Village, CA 91362
Phone
(805) 497-6711
County
Ventura County
Level
High
Grade range
09–12
Total enrollment
1,900
Teachers (FTE)
80
Student–teacher ratio
23.9:1
Free and reduced lunch
336 (18%)
Locale
12-City: Mid-size
NCES ID
060964001031
Charter school
No
Virtual school
No

Related schools

Other schools in Conejo Valley Unified
Other schools in Westlake Village
Other Westlake High schools

7 other US public schools in 8 states are named Westlake High. Westlake High is the 4th largest of the 8.

Nearby schools

Frequently asked questions

About Westlake High
How many students attend Westlake High?
Westlake High enrolls approximately 1,900 students in grades 09-12.
Is Westlake High an elementary, middle, or high school?
Westlake High is a high school covering grades 09-12.
What is the student-teacher ratio at Westlake High?
The student-to-teacher ratio at Westlake High is approximately 23.9:1 (80 FTE teachers).
What is the racial breakdown of students at Westlake High?
At Westlake High, the student body is approximately 50% White, 28% Hispanic, 2% Black, 12% Asian, 7% Two or more.
Is Westlake High public or private?
Westlake High is a public K-12 school, overseen by Conejo Valley Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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