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Schools in 91737 — Alta Loma, California: 91737 schools aren't just reaching proficiency — they're pushing students beyond it.

91737 has 5 ranked schools in Alta Loma, averaging a Scope Score of 59.9/100 — 15.1 points above the state average of 44.8 (CDE CAASPP 2025). Scores range from 53.2 to 66.8, a 13.6-point spread.

Avg Scope Score
59.9
State avg: 44.8
SchoolScope composite
Score Range
13.6
53.2 – 66.8
Avg Exceeded %
35.6%
State avg: 21.3%
Chronic Absenteeism
13.7%
State avg: 17.9%
Schools Ranked
5
With Scope Scores

How 91737 schools perform

The top-ranked school is Banyan Elementary with a Scope Score of 67 and 37.8% of students exceeding standard.

These schools are pushing students past the bar, not just to it. Schools here average 35.6% exceeding standard — well above the statewide average of 21.3%.

Chronic absenteeism across 91737 averages 13.7%, below the state average of 17.9%. CDE CAASPP 2025.

How 91737 compares to nearby zip codes

ZipCitySchoolsAvg Scorevs 91737
91737Alta Loma5Solid
59.9/100
91739Etiwanda9Solid
64.9/100
+5.0
91740Glendora7Developing
38.3/100
-21.7
91733El Monte9Developing
42.4/100
-17.5
91741Glendora6Solid
57.4/100
-2.5
91732El Monte11Developing
40.6/100
-19.3

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 91737

1 Strong All-Around1 Solid Base1 Culture First2 Building Momentum

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

For the data nerds

All schools in 91737

ranked by Scope Score · 2024–25 CAASPP

#SchoolExceededScore
1Banyan Elementary
Alta Loma Elementary Strong All-Around
37.8%Solid
67/100
2Los Osos High
Chaffey Joint Union High Building Momentum
39.5%Solid
64/100
3Caryn Elementary
Etiwanda Elementary Solid Base
41.3%Solid
62/100
4Vineyard Junior High
Alta Loma Elementary Building Momentum
28.7%Solid
54/100
5Hermosa Elementary
Alta Loma Elementary Culture First
30.8%Solid
53/100
Source: CDE CAASPP 2025 · 5 schools in 91737Methodology · Explore all schools

Schools in 91737 on the map

Data source: California Department of Education · CAASPP 2024-25 · Methodology

Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.

What Scope Scores can't tell you about 91737

Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology

Frequently asked questions

Are the schools in 91737 (Alta Loma) good?
91737 has 5 ranked schools in Alta Loma, averaging a Scope Score of 59.9/100 — 15.1 points above the state average. 35.6% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best school in 91737?
The highest-scoring school in zip code 91737 is Banyan Elementary with a Scope Score of 67/100 and 37.8% of students exceeding the state standard. See full methodology.
How do 91737 schools compare to the state average?
Schools in zip code 91737 average a Scope Score of 59.9/100 — 15.1 points above the state average of 44.8. The exceeded rate averages 35.6% vs. 21.3% statewide.
How many schools are in zip code 91737?
Zip code 91737 has 5 ranked schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's proprietary composite rating (0–100) based on seven dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, ELPAC English Learner proficiency, and baseline proficiency. Full methodology and weights.