Community prompt from u/allk12. Replies below.
Mira Costa High
School pathway
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 76 of every 100 students at this school read and write at grade level and about 54 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are up about 1 points since 2014, while math scores are up about 2 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 65% 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%.
7-year change
SY 2017-18 vs SY 2024-25About Mira Costa High
As a big 9-12 campus in Manhattan Beach, California, Mira Costa High works with 2,473 students from grades 9 through 12, part of Manhattan Beach Unified. By comparison, California's public schools average about 838 students each, so Mira Costa High sits 195% bigger than that benchmark.
Within Manhattan Beach Unified, which oversees 7 schools and 5,887 students, Mira Costa High is one campus in the system.
Looking at the student body, Mira Costa High lists that White students make up the majority at 59%. Beyond that, the school logs 15% Hispanic, 13% multiracial, 11% Asian. The wider county runs roughly 31% White, putting the school's mix meaningfully more White than the area baseline.
In terms of school funding signals, Staff filings list 100 full-time-equivalent teachers, which works out to roughly 24.6:1 students per teacher. That figure is higher than the state norm's 18.2:1 average. Around 7% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. By comparison, Los Angeles County runs at roughly 70%, so the school's eligibility rate is lower than the surrounding baseline.
After controlling for student poverty, Mira Costa High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 75.3%; this one delivers 65.1%.
Zooming out to the county, the surrounding county (Los Angeles County) logs that median household income runs about $90,112, about 36% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. Mira Costa High is one of 2244 public schools in Los Angeles County (combined enrollment of about 1,265,907 students).
Nearest neighbor: Aurelia Pennekamp Elementary, around 0.3 miles off. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Mira Costa High ranks 8th on composite proficiency, behind the local average of 81.3%.
The campus sits in a residential setting.
Over the past 7-year window. Mira Costa High's enrollment has contracted 3% since 2018, when it stood at 2,541 (now 2,473).
On the community side, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.
Los Angeles County at a glance
View full county profileQuick facts
Related schools
- Manhattan Beach MiddleMiddle · 1,175 students
- Grand View ElementaryElementary · 550 students
- Pacific ElementaryElementary · 510 students
- Aurelia Pennekamp ElementaryElementary · 469 students
- Meadows Avenue ElementaryElementary · 407 students
- Opal Robinson ElementaryElementary · 303 students
- Manhattan Beach MiddleMiddle · 1,175 students
- Grand View ElementaryElementary · 550 students
- Pacific ElementaryElementary · 510 students
- Aurelia Pennekamp ElementaryElementary · 469 students
- Meadows Avenue ElementaryElementary · 407 students
- Opal Robinson ElementaryElementary · 303 students
- Aurelia Pennekamp Elementary0.3 mi · 469
- Hermosa View Elementary0.4 mi · 394
- Hermosa Valley Elementary0.7 mi · 589
- Hermosa Vista0.8 mi · 430
- Birney Elementary0.8 mi · 432
- Opal Robinson Elementary0.9 mi · 303