El Cajon · San Diego County

Schools in ZIP code 92021

Two districts run the ranked public schools in ZIP code 92021: Cajon Valley Union (elementary, middle and high) and Grossmont Union High (high). The 8 public elementary schools in ZIP code 92021 run from the 2nd to the 66th percentile among the 5,726 California elementary schools we score (spring 2026 tests).

Elementary · 8 schools · Cajon Valley Union

from 2nd to 66th · among 5,726 California elementary schools we score · spring 2026 tests

  • Kidinnu Academy: 66th percentile, Solid
  • Blossom Valley Elementary: 59th percentile, Solid
  • Rios Elementary: 54th percentile, Solid
  • Crest Elementary: 37th percentile, Developing
  • Bostonia Global: 24th percentile, Needs Support
  • Magnolia Elementary: 7th percentile, Needs Support
  • W. D. Hall Elementary: 3rd percentile, Needs Support
  • Naranca Elementary: 2nd percentile, Needs Support
4Needs Support
1Developing
3Solid
0Strong

One dot per school.

A ZIP code doesn’t decide which school a child attends. Confirm the school for your address with the district.

Middle and high school pictures

Middle · 5 schools · Cajon Valley Union

from 4th to 59th · among 2,529 California middle schools we score · spring 2026 tests

  • Kidinnu Academy: 59th percentile, Solid
  • Crest Elementary: 43rd percentile, Developing
  • Los Coches Creek Middle: 34th percentile, Developing
  • Bostonia Global: 25th percentile, Developing
  • Greenfield Middle: 4th percentile, Needs Support
1Needs Support
3Developing
1Solid
0Strong

High · 2 schools · Cajon Valley Union and Grossmont Union High

from 2nd to 4th · among 1,498 California high schools we score · spring 2025 tests

  • Bostonia Global: 4th percentile, Needs Support
  • El Cajon Valley High: 2nd percentile, Needs Support
2Needs Support
0Developing
0Solid
0Strong

One dot per school. Each stage is placed only among California schools at its own level. 3 of the 11 ranked schools teach more than one level, 1 of them all three, so they appear in more than one picture.

Schools around ZIP code 92021

11 listed public schools with mapped locations.

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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 92021 score highest?

Kidinnu Academy is highest, at the 66th percentile.

That’s higher than 66 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).

Highest in ZIP code 92021

Each percentile compares a school with California schools at its own level.

Show the other 5 elementary schools
Context

The average elementary school in ZIP code 92021 had 15 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

Which middle schools in ZIP code 92021 score highest?

Kidinnu Academy is highest, at the 59th percentile.

That’s higher than 59 in 100 of the 2,529 California middle schools we score (spring 2026 tests).

Highest in ZIP code 92021

Each percentile compares a school with California schools at its own level.

Show the other 2 middle schools
  • Bostonia GlobalCajon Valley Union · Charter school. Check how it admits students.
    25thDevelopingScope Score 28
  • Greenfield MiddleCajon Valley Union
    4thNeeds SupportScope Score 18
Context

The average middle school in ZIP code 92021 had 12 in 100 students chronically absent in 2025–26; the average California middle school we score had 18 in 100.

High schools

Which high schools in ZIP code 92021 score highest?

Bostonia Global is highest, at the 4th percentile.

That’s higher than 4 in 100 of the 1,498 California high schools we score (spring 2025 tests).

Highest in ZIP code 92021

Each percentile compares a school with California schools at its own level.

  • Bostonia GlobalCajon Valley Union · Charter school. Check how it admits students.
    4thNeeds SupportScope Score 34
  • El Cajon Valley HighGrossmont Union High
    2ndNeeds SupportScope Score 30

3 private schools have an address in ZIP code 92021. 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 (8)

School districts

City

Before kindergarten

Common questions

Which public schools in ZIP code 92021 rank highest?

Elementary: Kidinnu Academy, 66th percentile (Solid). Middle: Kidinnu Academy, 59th percentile (Solid). High: Bostonia Global, 4th percentile (Needs Support). Each percentile is among the California schools at the same level we score. A rank doesn’t decide fit or whether a child can enroll.

Does living in ZIP code 92021 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.
More questions (3)

Are the public schools in ZIP code 92021 good?

The 8 public elementary schools in ZIP code 92021 run from the 2nd to the 66th percentile among the 5,726 California elementary schools we score (spring 2026 tests). By band: 3 Solid, 1 Developing and 4 Needs Support. The 5 public middle schools in ZIP code 92021 run from the 4th to the 59th percentile among the 2,529 California middle schools we score (spring 2026 tests). By band: 1 Solid, 3 Developing and 1 Needs Support. The 2 public high schools in ZIP code 92021 run from the 2nd to the 4th percentile among the 1,498 California high schools we score (spring 2025 tests). By band: 2 Needs Support. A percentile compares a school with California public schools at the same level that we score. How we score schools.

How does chronic absence in ZIP code 92021 compare with California?

The average elementary school in ZIP code 92021 had 15 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. The average middle school in ZIP code 92021 had 12 in 100 students chronically absent in 2025–26; the average California middle school we score had 18 in 100. These are averages of school rates: each school counts once, whatever its size.

Where do these results come from?

California’s state tests (CAASPP): spring 2026 for elementary and middle schools, spring 2025 for high schools, and chronic-absence rates for 2025–26, published by the California Department of Education. Percentiles, bands and Scope Scores are SchoolScope’s calculations. How we score schools.

Sources and methodology

This page lists the schools with a 92021 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.

View CDE data ↗ (opens in a new tab)How Scope Scores work →

Download these schools (CSV)Free to use under CC BY 4.0 with attribution.