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SCHOOL COMMUNITY·SAN DIEGUITO UNION HIGH·NCES 063438006516

La Costa Canyon High

1 Maverick Way, Carlsbad, CA 92009 · (760) 436-6136 · San Diego County
GRADES 09–12HIGH12-CITYREGULAR SCHOOL1,774 STUDENTS
B+
allk12 Grade
Scored higher than 65% 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.
  • A+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
1,774
High
DISTRICT 1,677 · STATE 838
Student : Teacher
22.1:1
80 FTE teachers
DISTRICT 22.0:1 · STATE 18.2:1
Free / Reduced Lunch
18%
324 students
DISTRICT 19% · 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 948627%
Grade 1044825%
Grade 1143224%
Grade 1240823%
Student demographics
48%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · STATE 62% · US 70%
White
1,23269%
DISTRICT 53% · STATE 20% · US 43%
Hispanic
31818%
DISTRICT 17% · STATE 56% · US 30%
Black
191%
DISTRICT 1% · STATE 5% · US 15%
Asian
724%
DISTRICT 19% · STATE 12% · US 6%
Two+
1237%
DISTRICT 10% · STATE 6% · US 5%
Native American
70%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
20%
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
94953%
Female
82446%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
73.7%
CA avg 49.1% . +12.7pp since 2014
Math
50.6%
CA avg 37.7% . -3.4pp since 2014

What this means: On the CAASPP, California's statewide test, about 74 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 up about 13 points since 2014, while math scores are down about 3 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts42.3%31.4%15.9%10.4%
Math23.2%27.4%23.2%26.1%
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
2024-2573.7%50.6%
2023-2469.7%40.0%
2022-2381.8%49.6%
2021-2257.1%38.5%
2018-1970.6%52.1%
2017-1864.8%49.0%
2016-1777.9%56.0%
2015-1669.0%55.0%
2014-1561.0%54.0%
% 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
58.5%
composite math + reading, all grades
Predicted
68.8%
based on CA schools with similar FRL share
Beats by
-10.3pp
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 La Costa Canyon High

La Costa Canyon High's state test result (58.5% proficient) is higher than 1 of the 4 schools below with a result.

SchoolStudentsLow-incomeProficient
La Costa Canyon High this school1,77418.3%58.5%
Ponderosa High
Shingle Springs
1,67517.8%60.3%
Classical Academy High
Escondido
1,33622.0%N/A
Del Oro High
Loomis
1,63412.9%66.4%
Calabasas High
Calabasas
1,70724.9%56.1%
Tamalpais High
Mill Valley
1,47011.8%64.3%
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 La Costa Canyon High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn San Diego County
State test proficiency
ranked highest first
58.5%#196 of 1,052#19 of 70
Math proficiency
ranked highest first
50.6%#166 of 1,056
▲ 89
#17 of 70
▲ 3
Reading proficiency
ranked highest first
73.7%#185 of 1,056
▲ 58
#18 of 70
▲ 5
3-year test score change
ranked biggest gain first
+14.3pp#50 of 1,044#4 of 70
Enrollment
ranked largest first
1,774#407 of 2,093#35 of 135
Students per teacher
ranked fewest first
22.1:1#880 of 1,352#46 of 96
Diversity index
ranked most diverse first
47.8%#719 of 1,351#73 of 97
Free and reduced lunch
ranked highest share first
18.3%#1,499 of 1,575#105 of 112
Enrollment change since 2017-18
ranked steepest decline first
-8.3%#521 of 802#36 of 57
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
1,774
-60 (-3%) vs 2020
-32% since 2000-01, when it was 2,604
Student : Teacher
22.1:1
was 23.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,77480.222.1:118% (324)
2023-241,76879.522.3:119% (330)
2022-231,6427322.5:117% (284)
2020-211,8347823.5:111% (199)
2017-181,93582.423.5:111% (216)
2015-161,8947525.3:18% (150)
2010-112,365N/AN/A11% (259)
2000-012,60411323.0:15% (135)
Source: NCES Common Core of Data. Rows are the federal collections on file for La Costa Canyon High.

Since 2017-18: students down 8% (1,935 to 1,774); teachers down 3% (82.4 to 80.2).

About La Costa Canyon High

Carlsbad, California, is home to La Costa Canyon High, a large high school. A federal count lists 1,774 students at the school, in grades 9 through 12. An average school in this group (high schools in California) has about 838 students.

La Costa Canyon High reports to San Dieguito Union High, which has 10 schools and 12,026 students.

White students make up a majority at La Costa Canyon High, at 69%. The remaining students are 18% Hispanic, 7% multiracial, and 4% Asian. Census figures show San Diego County is about 48% White. Pick two students at random and there is a 48% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

Teacher staffing is 80.2 full-time equivalents, or about 22.1 students per teacher. This ratio sits 3.9 above the 18.2:1 average for high schools in California. Eligibility for subsidized school meals is 18%. The average for public schools in San Diego County is 54%.

allk12 grades La Costa Canyon High a B+. The grade compares the school only with California public high schools, because each state gives its own test.

La Costa Canyon High is 10.3 points below its predicted average proficiency rate on state tests (58.5% versus 68.8%), which places it in neither the top nor the bottom 10% in California.

In the county around the school, San Diego County, the median household income is $106,268, roughly 43% of adults have a four-year degree or more, and about 7% of residents live below the federal poverty line. There are 766 public schools in San Diego County, enrolling about 467,437 students in all.

The nearest other public school, Mission Estancia Elementary, is about 0.7 miles away. There are at least 8 more public schools inside five miles. Among the 9 closest schools with test data, this one included, La Costa Canyon High ranks 9th on average proficiency.

Locale data from NCES put La Costa Canyon High inside a principal city with a population between 100,000 and 250,000 (City: Mid-size).

Federal data show a 3% enrollment decrease, from 1,834 in 2020-21 to 1,774 in 2024-25. Staffing shifted too: the ratio moved from 23.5:1 to 22.1:1.

Topics for discussion here include science fairs, picture day, and bus routes. Anyone with firsthand experience at this school can post or comment.

San Diego County at a glance

View full county profile
Population
3,288,774
Census ACS
Median income
$106,268
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
766
467,437 students

Quick facts

School name
La Costa Canyon High
District
San Dieguito Union High
Address
1 Maverick Way, Carlsbad, CA 92009
Phone
(760) 436-6136
County
San Diego County
Level
High
Grade range
09–12
Total enrollment
1,774
Teachers (FTE)
80
Student–teacher ratio
22.1:1
Free and reduced lunch
324 (18%)
Locale
12-City: Mid-size
NCES ID
063438006516
Charter school
No
Virtual school
No

Related schools

Other schools in San Dieguito Union High
Other schools in Carlsbad
Nearby schools

Frequently asked questions

About La Costa Canyon High
What is the total enrollment at La Costa Canyon High?
La Costa Canyon High enrolls approximately 1,774 students in grades 09-12.
What age range does La Costa Canyon High serve?
La Costa Canyon High serves students from grade 09 through grade 12.
How many teachers does La Costa Canyon High have?
La Costa Canyon High employs 80 FTE teachers, for a student-to-teacher ratio of 22.1:1.
How diverse is La Costa Canyon High?
La Costa Canyon High reports a student body of 69% White, 18% Hispanic, 1% Black, 4% Asian, 7% Two or more.
Who oversees La Costa Canyon High?
La Costa Canyon High is overseen by San Dieguito Union High in San Diego County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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