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Schools in 91740 — Glendora, California

91740 has 6 ranked schools averaging a Scope Score of 41.2 — 2.6 points below the California state average of 43.8. Scores range from 16.7 to 56.9, a 40.2-point spread.

Avg Scope Score
41.2
State avg: 43.8
SchoolScope composite
Score Range
40.2
16.7 – 56.9
Avg Exceeded %
19.3%
State avg: 21.6%
Chronic Absenteeism
28.8%
State avg: 18.1%
Schools Ranked
6
With Scope Scores

How 91740 schools perform

The top-ranked school is Sutherland Elementary with a Scope Score of 57 and 34.2% of students exceeding standard.

Declining trajectory: Average proficiency drops by 17.6 percentage points from grade 3 to grade 5 across 91740. This pattern in test scores may reflect a variety of factors and is worth examining school by school.

Chronic absenteeism across 91740 averages 28.8%, below the state average of 18.1%. This elevated rate may indicate systemic attendance challenges in the area.

How 91740 compares to nearby zip codes

Zip CodeCitySchoolsAvg Scorevs 91740
91740Glendora6Developing
41.2/100
91739Etiwanda9Solid
65.3/100
+24.1
91741Glendora6Solid
58.8/100
+17.6
91737Alta Loma5Solid
62.0/100
+20.8
91744La Puente21Developing
35.7/100
-5.5
91745Hacienda Heights13Developing
48.9/100
+7.7

School archetypes in 91740

3 Culture First3 Building Momentum

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

All schools in 91740

#SchoolExceededScore
1Sutherland Elementary
Glendora Unified Culture First
34.2%Solid
57/100
2Washington Elementary
Charter Oak Unified Culture First
28.8%Solid
52/100
3Willow Elementary
Charter Oak Unified Building Momentum
34.3%Developing
49/100
4Stanton Elementary
Glendora Unified Culture First
17.1%Developing
43/100
5Whitcomb Continuation High
Glendora Unified Building Momentum
1.5%Needs Support
29/100
6Arrow High (Continuation)
Charter Oak Unified Building Momentum
0.0%Needs Support
17/100

Schools in 91740 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 91740

  • Class sizes and student-teacher interaction quality
  • Quality of arts, music, athletics, and enrichment programs
  • Teacher experience, turnover, and professional development
  • Campus safety, bullying climate, and social-emotional support
  • Parent and community engagement levels
  • Quality of special education and gifted programs
  • How school zones and enrollment boundaries affect access

Scope Scores measure academic performance and school climate using public data. They are one lens among many. Full methodology

Frequently asked questions

Are the schools in Glendora good?
Glendora's 6 ranked elementary schools average a Scope Score of 41.2/100, which is 2.6 points below the California state average of 43.8. 19.3% of students exceed the state standard on average (state average: 21.6%). The Scope Score weights six dimensions: exceeded standard (40%), met standard (22%), grade-level growth (15%), chronic absenteeism (10%), suspension rate (5%), and ELPAC proficiency (5%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best elementary school in Glendora?
The highest-scoring elementary school in Glendora is Sutherland Elementary with a Scope Score of 57/100 and 34.2% of students exceeding the state standard. Rankings are based on SchoolScope's 2025 Scope Score, which measures academic performance and school climate using publicly available California data. See full methodology.
How do Glendora schools compare to the state average?
Glendora elementary schools average a Scope Score of 41.2 vs. the statewide average of 43.8 (2.6 points below). The exceeded rate averages 19.3% vs. 21.6% statewide. Chronic absenteeism averages 28.8% vs. 18.1% statewide. Scores range from 16.7 to 56.9, a 40.2-point spread.
How many schools are in Glendora?
Glendora has 6 ranked elementary 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 six dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, and ELPAC English Learner proficiency. Unlike single-number ratings, the Scope Score separates students who "exceeded" from those who "met" the standard — revealing whether a school pushes students beyond proficiency or paces toward it. Full methodology and weights.