Students
473
enrolled at the 3 public schools with an address in ZIP code 93428.
Cambria · San Luis Obispo County
Schools in ZIP code 93428
ZIP code 93428 has one public elementary school we score. Cambria Grammar has a Scope Score of 74.
75 is the typical California school. 100 is the best result in the state.
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Open the map →Elementary
Scope Score 74
Cambria Grammar
Developing · 43rd percentile. It is the only one we score here.
Middle
Scope Score 73
Santa Lucia Middle
Developing · 37th percentile. It is the only one we score here.
High school
Scope Score 73
Coast Union High
Developing · 37th percentile. It is the only one we score here.
Elementary schools
Where does the elementary school we score in ZIP code 93428 stand?
Cambria Grammar has a Scope Score of 74. That is higher than 43 in 100 California elementary schools we score. It is the only public elementary school we score in ZIP code 93428.
AdvancedProficientBelow the standardEnglish and math tests combined
Rank 1
Cambria Grammar
Coast Unified · 93428 · Grades K–5
2665% below the standard
Scope Score 74Developing · 43rd percentile
Each score compares a school with the 5,726 California elementary schools we score. Source: California Department of Education, state tests (CAASPP), spring 2026.
Middle schools
Where does the middle school we score in ZIP code 93428 stand?
Santa Lucia Middle has a Scope Score of 73. That is higher than 37 in 100 California middle schools we score. It is the only public middle school we score in ZIP code 93428.
AdvancedProficientBelow the standardEnglish and math tests combined
Rank 1
Santa Lucia Middle
Coast Unified · 93428 · Grades 6–8
2168% below the standard
Scope Score 73Developing · 37th percentile
Each score compares a school with the 2,529 California middle schools we score. Source: California Department of Education, state tests (CAASPP), spring 2026.
High schools
Where does the high school we score in ZIP code 93428 stand?
Coast Union High has a Scope Score of 73. That is higher than 37 in 100 California high schools we score. It is the only public high school we score in ZIP code 93428.
AdvancedProficientBelow the standardEnglish and math tests combined
Rank 1
Coast Union High
Coast Unified · 93428 · Grades 9–12
1581% below the standard
Scope Score 73Developing · 37th percentile
Each score compares a school with the 1,498 California high schools we score. Source: California Department of Education, state tests (CAASPP), spring 2025. The state called the top two levels Exceeded and Met in spring 2025.
Districts
Which districts run the schools here?
One district runs the public schools with an address in ZIP code 93428.
Does living in ZIP code 93428 decide which school my child attends?
No. ZIP codes are for mail; attendance boundaries decide the school for an address. Confirm the school for your address, grade and program with the district.
Students
Who goes to school here?
473 students go to the 3 public schools with an address in ZIP code 93428. 87 in 100 qualify for free or reduced-price meals.
Students and meal counts: California Department of Education, free or reduced-price meal file, 2024–25.
Common questions
What do parents ask about schools in ZIP code 93428?
Are the public schools in ZIP code 93428 good?
ZIP code 93428 has one public elementary school we score. Cambria Grammar has a Scope Score of 74. It is Developing, at the 43rd percentile. ZIP code 93428 has one public middle school we score. Santa Lucia Middle has a Scope Score of 73. It is Developing, at the 37th percentile. ZIP code 93428 has one public high school we score. Coast Union High has a Scope Score of 73. It is Developing, at the 37th percentile. 75 is the typical California school. 100 is the best result in the state. How we score schools.
Which public schools in ZIP code 93428 rank highest?
Cambria Grammar is the only elementary school we score here. It has a Scope Score of 74. It is Developing, at the 43rd percentile. Santa Lucia Middle is the only middle school we score here. It has a Scope Score of 73. It is Developing, at the 37th percentile. Coast Union High is the only high school we score here. It has a Scope Score of 73. It is Developing, at the 37th percentile. Each score compares a school with the California schools at the same level we score. A rank doesn’t decide fit or whether a child can enroll.
Where do these results come from?
The test results are from California’s state tests (CAASPP). They are from spring 2026 for elementary and middle schools. The results are from spring 2025 for high schools. Chronic-absence rates are for 2025–26. The California Department of Education publishes both. Percentiles, bands and Scope Scores are SchoolScope’s calculations. How we score schools.
Next
Which places nearby can you look at next?
Coast Unified
The district that runs the public schools here.
Compare schoolsSee the same numbers for each school.
Open the mapSee these schools on the map.
School districts
Before kindergarten
Sources and methodology
This page lists the schools with a Cambria address in ZIP code 93428. Attendance boundaries follow school districts. They do not follow ZIP codes.
Data source: California Department of Education · CAASPP 2025–26 elementary and middle school; 2024–25 high school
Percentiles, bands and Scope Scores are SchoolScope’s own calculations from these state files.
State tests are the California Assessment of Student Performance and Progress (CAASPP), springs 2025 and 2026.
Download these schools (CSV) Free to use under CC BY 4.0 with attribution.