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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

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 metrics
Student Progress8.0Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-0.03 pts/yr
Data Period2019–2024
TrendStable
Academics9.7Exceptional30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency79%
Reading/ELA Proficiency80.7%
Math vs. State Avg+33.3 pts
Reading vs. State Avg+37.9 pts
Overall Proficiency80%
Expected (poverty-adj.)60%
vs. Expected+20.3 pts
Adjusted Percentile96th
College ReadinessNot Available

Data not available for this school

Resources & Environment1.7Significantly Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio29.4:1
Per-Pupil Spending$13,167

Arma J. Shull Elementary — Students at Arma J. Shull Elementary score 80% proficient, which is above what's typical for similar communities (expected: 60%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

27.7%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 78.9%
School
State
39.4%
ELA Proficiency 80.9%
School
State
45.3%

Based on 10 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
78%
ELA
82%
2024
Math
79.1%
ELA
80.6%

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.

Overall Score
7.2/10
71th percentile in CA
Academic
9.7/10
9.7/10
Growth
8.0/10
Above average
Environment
1.7/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
28%
Teaching Staff
29:1 student-teacher ratio
22 teachers

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
56 Somewhat Walkable
Bike Score
40 Somewhat Bikeable
City Safety
High (2,574/100K)

Powered by Walk Score

FBI UCR 2024. City-level (San Dimas). Data >1 year old.

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
Data Year
2023–2024

District

Bonita Unified
District Enrollment
9,957
Schools in District
15
Per-Pupil Spending
$14,544
District Rank
#7 of 13

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 methodology

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