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SCHOOL COMMUNITY·MANHATTAN BEACH UNIFIED·NCES 060002506328

Mira Costa High

1401 Artesia Blvd., Manhattan Beach, CA 90266 · (310) 318-7337 · Los Angeles County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL2,473 STUDENTS
B+
allk12 Grade
Scored higher than 69% of California public high schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • BThree-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
2,473
High
DISTRICT 841 · STATE 838
Student : Teacher
24.6:1
100 FTE teachers
DISTRICT 23.8:1 · STATE 18.2:1
Free / Reduced Lunch
7%
173 students
DISTRICT 5% · 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 957223%
Grade 1062725%
Grade 1162125%
Grade 1265326%
Student demographics
60%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 61% · STATE 62% · US 70%
White
1,45559%
DISTRICT 58% · STATE 20% · US 43%
Hispanic
36515%
DISTRICT 14% · STATE 56% · US 30%
Black
301%
DISTRICT 1% · STATE 5% · US 15%
Asian
27511%
DISTRICT 13% · STATE 12% · US 6%
Two+
33113%
DISTRICT 14% · STATE 6% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
50%
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
1,27452%
Female
1,18948%

School pathway

Feeds from
Manhattan Beach Middle06–08
Based on grade levels within Manhattan Beach Unified. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
81.2%
CA avg 49.1% . +6.2pp since 2014
Math
62.0%
CA avg 37.7% . +10.0pp since 2014

What this means: On the CAASPP, California's statewide test, about 81 of every 100 students at this school read and write at grade level and about 62 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 6 points since 2014, while math scores are up about 10 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts49.7%31.5%12.0%6.9%
Math35.7%26.4%20.2%17.8%
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
2024-2581.2%62.0%
2023-2476.1%54.1%
2022-2367.5%58.5%
2021-2274.7%60.0%
2020-2189.9%69.6%
2018-1982.1%68.3%
2017-1882.8%71.5%
2016-1785.4%66.7%
2015-1676.0%65.0%
2014-1575.0%52.0%
% 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
68.4%
composite math + reading, all grades
Predicted
75.4%
based on CA schools with similar FRL share
Beats by
-7.1pp
below demographic expectation

What this means: About 68% of students here test proficient in math and reading, compared with the roughly 75% 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 Mira Costa High

Mira Costa High's state test result (68.4% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Mira Costa High this school2,4737.0%68.4%
San Ramon Valley High
Danville
2,0365.7%64.5%
Oak Ridge High
El Dorado Hills
2,3469.5%68.1%
Los Gatos High
Los Gatos
1,9146.8%72.5%
Redwood High
Larkspur
1,7228.2%65.7%
Acalanes High
Lafayette
1,2567.3%75.0%
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 Mira Costa High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Los Angeles County
State test proficiency
ranked highest first
68.4%#95 of 1,052#26 of 228
Math proficiency
ranked highest first
62.0%#76 of 1,056
▲ 45
#17 of 229
▲ 11
Reading proficiency
ranked highest first
81.2%#88 of 1,056
▲ 51
#24 of 229
▲ 9
3-year test score change
ranked biggest gain first
+4.2pp#389 of 1,044#115 of 229
Enrollment
ranked largest first
2,473#110 of 2,093#22 of 486
Students per teacher
ranked fewest first
24.6:1#1,175 of 1,352#319 of 358
Diversity index
ranked most diverse first
59.8%#414 of 1,351#61 of 359
Free and reduced lunch
ranked highest share first
7.0%#1,563 of 1,575#393 of 396
Enrollment change since 2017-18
ranked steepest decline first
-2.7%#719 of 802#210 of 227
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
2,473
+10 (+0%) vs 2020
+10% since 2000-01, when it was 2,246
Student : Teacher
24.6:1
was 25.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,473100.324.6:17% (173)
2023-242,56810823.8:17% (177)
2022-232,497107.223.3:16% (153)
2020-212,4639625.7:16% (138)
2017-182,541101.125.1:16% (155)
2015-162,43710523.2:15% (134)
2010-112,359N/AN/A5% (109)
2000-012,2469623.4:19% (209)
Source: NCES Common Core of Data. Rows are the federal collections on file for Mira Costa High.

Since 2017-18: students down 3% (2,541 to 2,473); teachers down 1% (101.1 to 100.3).

About Mira Costa High

Mira Costa High is a high-enrollment high school for students in Manhattan Beach, California. Enrollment is 2,473 students in 2024-25, and the school serves grades 9 through 12. The average for high schools in California is about 838 students, so this school is 195% bigger than average.

Federal data list 7 schools in Manhattan Beach Unified, with 5,887 students enrolled.

At Mira Costa High, White students make up 59% of the student body. Next come 15% Hispanic, 13% multiracial, and 11% Asian. The county population is about 31% White. The school's diversity index is 60%, meaning two students picked at random have a 60% chance of belonging to different racial or ethnic groups.

Federal records show a student-to-teacher ratio of 24.6:1 at Mira Costa High, with 100.3 full-time-equivalent teachers. This ratio sits 6.5 above the 18.2:1 average for high schools in California. Free and reduced-price lunch eligibility, a common measure of family income, is 7%. By comparison, the figure for public schools in Los Angeles County is 70%.

Mira Costa High is graded B+ by allk12, scoring above 69% of California public high schools once test results, poverty-adjusted performance, and the recent trend are combined.

After adjusting for student poverty, Mira Costa High lands between the top and bottom 10% of California schools. Its average proficiency rate on state tests is 68.4%; the prediction is 75.4%.

In the county around the school, Los Angeles County, the median household income is $90,112, about 36% of adults have at least a bachelor's degree, and roughly 10% of residents are in poverty. Los Angeles County is home to 2,244 public schools and about 1,265,907 public school students.

Nearby, Aurelia Pennekamp Elementary is about 0.3 miles away. There are at least 8 more public schools inside five miles. Ranking the closest schools with test data puts Mira Costa High at 8th of 8.

The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

In 2020-21, Mira Costa High enrolled 2,463; in 2024-25, 2,473. The student-to-teacher ratio went down from 25.7:1 to 24.6:1.

Discussions about Mira Costa High may include science fairs, picture day, and bus routes. Alumni can share how the school prepared them.

Los Angeles County at a glance

View full county profile
Population
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students

Quick facts

School name
Mira Costa High
District
Manhattan Beach Unified
Address
1401 Artesia Blvd., Manhattan Beach, CA 90266
Phone
(310) 318-7337
County
Los Angeles County
Level
High
Grade range
09–12
Total enrollment
2,473
Teachers (FTE)
100
Student–teacher ratio
24.6:1
Free and reduced lunch
173 (7%)
Locale
21-Suburb: Large
NCES ID
060002506328
Charter school
No
Virtual school
No

Related schools

Other schools in Manhattan Beach Unified
Other schools in Manhattan Beach
Nearby schools

Frequently asked questions

About Mira Costa High
How large is Mira Costa High?
Mira Costa High enrolls approximately 2,473 students in grades 09-12.
What age range does Mira Costa High serve?
Mira Costa High serves students from grade 09 through grade 12.
How many students per teacher at Mira Costa High?
Approximately 24.6:1 students per teacher at Mira Costa High.
What is the student diversity at Mira Costa High?
Student demographics at Mira Costa High are roughly 59% White, 15% Hispanic, 1% Black, 11% Asian, 13% Two or more.
What district is Mira Costa High in?
Mira Costa High is part of Manhattan Beach Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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