La Costa Canyon High
🇺🇸 Official data · 2025Carlsbad, California 92009 · San Dieguito Union High
#155 of 1,343 high schools in California
#4263 of 16,910 nationally
About La Costa Canyon High
La Costa Canyon High is a public high school located in Carlsbad, in the San Dieguito Union High school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,774 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 66.1 out of 100, placing it in the top 25% of high schools in United States and 155th of 1,343 ranked high schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (93th percentile), and its weakest is students per teacher (10th percentile).
Other published figures: enrollment 1,774.
There are 21 schools in Carlsbad; La Costa Canyon High ranks 17th of 21 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)51%
- Reading proficiency (30%)69%
- Community advantage (fewer free/reduced-price lunch) (25%)18.3%
- Students per teacher (15%)22.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for La Costa Canyon High by the official sources.
- Enrollment
- 1,774
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 18.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 22.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 69%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 51%
- Share of tested students proficient or above (all students, all grades).
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Schools near La Costa Canyon High
Closest schools by straight-line distance, with their Success Index (US).
Mission Estancia Elementary
Carlsbad · Public elementary · Grades K–6
355 students · 1.1 km away
Olivenhain Pioneer Elementary
Carlsbad · Public elementary · Grades K–6
520 students · 1.6 km away
La Costa Heights Elementary
Carlsbad · Public elementary · Grades K–6
552 students · 1.6 km away
Diegueno Middle
Encinitas · Public middle · Grades 7–8
737 students · 2.1 km away
Flora Vista Elementary
Encinitas · Public elementary · Grades K–6
377 students · 3.0 km away
El Camino Creek Elementary
Carlsbad · Public elementary · Grades K–6
409 students · 3.0 km away
Park Dale Lane Elementary
Encinitas · Public elementary · Grades K–6
424 students · 3.1 km away
La Costa Meadows Elementary
Carlsbad · Public elementary · Grades K–5
725 students · 3.6 km away
San Elijo Middle
San Marcos · Public middle · Grades 6–8
1,395 students · 4.1 km away
San Elijo Elementary
San Marcos · Public elementary · Grades K–5
834 students · 4.3 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Ulysses S. Grant Senior High
Van Nuys · Public high · Grades 9–12
1,774 students
West High
Torrance · Public high · Grades 9–12
1,775 students
Antioch High
Antioch · Public high · Grades 9–12
1,776 students
Hilltop Senior High
Chula Vista · Public high · Grades 9–12
1,771 students
West Ranch High
Valencia · Public high · Grades 9–12
1,777 students
Sonora High
La Habra · Public high · Grades 9–12
1,779 students
Frequently asked questions
Is La Costa Canyon High a good school?
La Costa Canyon High has a Success Index (US) of 66.1 out of 100 (Top 25% of high schools in United States) and ranks #155 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does La Costa Canyon High rank in California?
La Costa Canyon High ranks #155 of 1,343 high schools in California and #4263 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend La Costa Canyon High?
La Costa Canyon High had 1,774 students in 2025.
Is La Costa Canyon High a elementary school or a high school?
La Costa Canyon High is classified as a high school covering Grades 9–12. It is a public school.
What other schools are near La Costa Canyon High?
There are 10 schools within 15 km of La Costa Canyon High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.