Pomona · Los Angeles County
Schools in ZIP code 91766
Of the 10 public elementary schools in ZIP code 91766, 8 sit between the 13th and the 32nd percentile among the 5,726 California elementary schools we score (spring 2026 tests).
Elementary · 10 schools
from 7th to 70th · among 5,726 California elementary schools we score · spring 2026 tests
- Ranch Hills Elementary: 70th percentile, Solid
- Westmont Elementary: 32nd percentile, Developing
- Philadelphia Elementary: 29th percentile, Developing
- Vejar Elementary: 28th percentile, Developing
- Lexington Elementary: 25th percentile, Developing
- Lopez Elementary: 25th percentile, Developing
- Decker Elementary: 17th percentile, Needs Support
- Washington Elementary: 14th percentile, Needs Support
- Alcott Elementary: 13th percentile, Needs Support
- Madison Elementary: 7th percentile, Needs Support
One dot per school.
Middle and high school pictures
Middle · 1 school
at 9th · among 2,529 California middle schools we score · spring 2026 tests
- Simons Middle: 9th percentile, Needs Support
High · 3 schools
from 32nd to 50th · among 1,498 California high schools we score · spring 2025 tests
- Diamond Ranch High: 50th percentile, Solid
- Fremont Academy of Engineering and Design: 36th percentile, Developing
- Garey High: 32nd percentile, Developing
One dot per school. Each stage is placed only among California schools at its own level.
Schools around ZIP code 91766
14 listed public schools with mapped locations.
Loading school locations…
Percentile among California schools at the same level
- Strong75th+
- Solid50–74th
- Developing25–49th
- Needs Supportbelow 25th
- Not scored
The school lists on this page are also available without the map.
Elementary schools
Which elementary schools in ZIP code 91766 score highest?
Ranch Hills Elementary is highest, at the 70th percentile.
That’s higher than 70 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).
Highest in ZIP code 91766
Each percentile compares a school with California schools at its own level. What patterns mean
- Ranch Hills Elementary
- Westmont Elementary
- Philadelphia ElementaryGrade-to-grade gains
Show the other 7 elementary schools
The average elementary school in ZIP code 91766 had 21 in 100 students chronically absent (missed 10% or more of school days) in 2025–26; the average California elementary school we score had 17 in 100. Both are averages of school rates, each school counted once.
Middle schools
Where does the middle school we score in ZIP code 91766 stand?
Simons Middle is at the 9th percentile.
That’s higher than 9 in 100 of the 2,529 California middle schools we score (spring 2026 tests). It’s the only public middle school we score in ZIP code 91766.
Each percentile compares a school with California schools at its own level.
High schools
Which high schools in ZIP code 91766 score highest?
Diamond Ranch High is highest, at the 50th percentile.
That’s higher than 50 in 100 of the 1,498 California high schools we score (spring 2025 tests).
Highest in ZIP code 91766
Each percentile compares a school with California schools at its own level.
The average high school in ZIP code 91766 had 26 in 100 students chronically absent in 2025–26; the average California high school we score had 22 in 100.
2 private schools have an address in ZIP code 91766. They don’t take California’s state tests, so we don’t score them. See them in the private-school directory →
Which places nearby can you look at next?
Nearby ZIP codes
More places (7)
School districts
City
Before kindergarten
Common questions
Which public schools in ZIP code 91766 rank highest?
Does living in ZIP code 91766 decide which school my child attends?
More questions (3)
Are the public schools in ZIP code 91766 good?
How does chronic absence in ZIP code 91766 compare with California?
Where do these results come from?
Sources and methodology
This page lists the schools with a 91766 mailing address. Attendance zones follow school districts rather than postal boundaries.
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.
Download these schools (CSV)Free to use under CC BY 4.0 with attribution.