Very Good
#2816 of 9,533 schools in CA
Top 30% in state
Arma J. Shull Elementary
Elementary School · Bonita Unified
115 West Allen Ave., San Dimas, CA 91773
Enrollment
646
Student-Teacher
29.4:1
Score
7.2
Grades
Kindergarten – 5th
Enrollment
646
Student-Teacher
29.4:1
Score
7.2
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In San Dimas
#7 of 14
public schools
California elementary schools
#1,889 of 5,817
In district
#7 of 13
Bonita Unified
Equity
9.8 / 10
Exceptional
About Arma J. Shull Elementary
Arma J. Shull Elementary serves 646 students in kindergarten through fifth grade in San Dimas, offering a strong academic foundation with impressive results. With 22 full-time equivalent teachers maintaining a 29.4:1 student-teacher ratio, the school has earned an 8.1 out of 10 rating and ranks in the 89th percentile among California elementary schools.
The school's academic performance stands out significantly, with 81% of students achieving proficiency or above in English Language Arts and 79% reaching proficiency in mathematics across all grade levels. These results reflect the school's commitment to educational excellence and contribute to its ranking of #1021 out of 9566 schools statewide. Students at Arma J.
Shull Elementary benefit from being part of a well-established educational community in an affluent suburban setting. The surrounding neighborhood demonstrates strong educational values, with 38% of residents holding bachelor's degrees or higher and a median household income of $101,466. The area maintains a low poverty rate of 9.4%, creating a stable environment that supports student learning and family engagement.
The school is situated in San Dimas's large suburban landscape, where families enjoy the benefits of a well-resourced community with median home values of $714,400, reflecting the area's desirability and commitment to maintaining quality educational institutions.
What Parents Should Know
The student-teacher ratio at Arma J. Shull Elementary is 29.4:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Arma J. Shull Elementary — Students at Arma J. Shull Elementary score 80% proficient, which is above what's typical for similar communities (expected: 60%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
27.7%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 10 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.0/10.
How Arma J. Shull Elementary Compares
See how Arma J. Shull Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 78% (2019) to 79% (2024). Reading/ELA proficiency has remained stable from 82% (2019) to 80.67% (2024).
Location
115 West Allen Ave., San Dimas, CA 91773
Nearby Alternatives
Families considering Arma J. Shull Elementary may also want to explore other elementary schools in the area. Willow Elementary (rated 8.8/10, 1.2 miles away, in nearby Glendora), which scores notably higher. Another option is Fred Ekstrand Elementary (rated 8.0/10, 1.1 miles away), which scores slightly higher. Additionally, Gladstone Elementary (rated 7.2/10, 0.8 miles away), with a very similar rating. For more schools in San Dimas, see our San Dimas schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| Arrow Montessori School of San Dimas San Dimas | 0.2 mi | — |
| ARROW MONTESSORI SCHOOL OF SAN DIMAS San Dimas | 0.2 mi | 6.2 |
| Sutherland Elementary Glendora | 0.6 mi | 6.5 |
| DOVE DAY SCHOOL- EDUCATIONAL PROGRAMS- INC. San Dimas | 0.7 mi | — |
| Chaparral High (Continuation) San Dimas | 0.7 mi | 7.0 |
| Vista (Alternative) San Dimas | 0.7 mi | — |
| Gladstone Elementary San Dimas | 0.8 mi | 7.2 |
| San Dimas High San Dimas | 1.3 mi | 8.4 |
| Adult Transition Program San Dimas | 1.3 mi | — |
| Fred Ekstrand Elementary San Dimas | 1.1 mi | 8.0 |
| Lone Hill Middle San Dimas | 1.3 mi | 7.5 |
| Willow Elementary Glendora | 1.2 mi | 8.8 |
| CANYON VIEW SCHOOL San Dimas | 1.5 mi | 6.7 |
| KINDERCARE LEARNING CENTER San Dimas | 1.3 mi | — |
| Glendora High Glendora | 1.5 mi | 5.9 |
| ST DOROTHY CATHOLIC SCHOOL Glendora | 1.6 mi | 5.6 |
| St. Dorothy Elementary School Glendora | 1.6 mi | — |
| Allen Avenue Elementary San Dimas | 1.5 mi | 6.4 |
| Arrow High (Continuation) Glendora | 1.6 mi | 5.4 |
| Oak Knoll Alternative Glendora | 1.6 mi | 5.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91773 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$105,926
Median Home Value
$754,700
Median Rent
$2,232/mo
Population
33,917
College Educated
40.4%
Homeownership
71.3%
Avg Commute
31.9 min
Poverty Rate
9.2%
Median Age
42.7
Community Profile
The community surrounding Arma J. Shull Elementary has a median household income of $105,926. It is a well-educated community where 40% of adults hold a bachelor's degree or higher. The median home value in the area is $754,700, with a median rent of $2,232/month. The local poverty rate of 9.2% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alpha Elementary Madera, CA | 7.2 |
| Alta Vista Elementary Los Gatos, CA | 7.2 |
| Ambler Avenue Elementary Carson, CA | 7.2 |
| Anderson (Linford L.) Elementary Dixon, CA | 7.2 |
| Andrew Jackson Elementary Selma, CA | 7.2 |
| Arlene Hein Elementary Elk Grove, CA | 7.2 |
Frequently Asked Questions
Common questions about Arma J. Shull Elementary
What grades does Arma J. Shull Elementary serve?
Arma J. Shull Elementary serves students in grades Kindergarten through 5th.
How many students attend Arma J. Shull Elementary?
Arma J. Shull Elementary has an enrollment of approximately 646 students.
What is the student-teacher ratio at Arma J. Shull Elementary?
The student-teacher ratio at Arma J. Shull Elementary is 29.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Arma J. Shull Elementary rank in CA?
Arma J. Shull Elementary is ranked #2816 out of 9,533 schools in CA.
What is Arma J. Shull Elementary's MySchoolScout rating?
Arma J. Shull Elementary has a composite rating of 7.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Arma J. Shull Elementary?
Based on the most recent state assessment data, Arma J. Shull Elementary has 78.9% math proficiency and 80.9% reading/ELA proficiency.
Is Arma J. Shull Elementary a charter school?
No, Arma J. Shull Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Arma J. Shull Elementary a Title I school?
No, Arma J. Shull Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Arma J. Shull Elementary?
27.7% of students at Arma J. Shull Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 646
- Student-Teacher Ratio
- 29.4:1
- Teachers (FTE)
- 22
- Free/Reduced Lunch
- 27.7%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (909) 971-8208
- Data Year
- 2023–2024
Resources & Links
District
Bonita Unified- District Enrollment
- 9,957
- Schools in District
- 15
- Per-Pupil Spending
- $14,544
- District Rank
- #7 of 13
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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