Arrow Montessori School of San Dimas
Private · Grades Pre-K–8 · 37 students
Arma J. Shull Elementary
825 North Amelia, San Dimas, CA 91773
Grades
K–5
Elementary
Students
633
Enrolled 2024–25
Students per teacher
27.8 : 1
Full-time teachers
District
Bonita Unified
Los Angeles County
Schola Grade A · Excellent
Letter grade (A–F) · compared with 5,632 California elementary schools · How we grade
Percentiles compare this school with other California elementary schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Arma J. Shull Elementary
Arma J. Shull Elementary is a public elementary school in San Dimas, California, serving grades K–5. It is part of Bonita Unified. The school is located in a large suburb in Los Angeles County.
In the 2024–25 school year, 633 students were enrolled, with about 27.8 students for every full-time teacher. That ratio is larger than the typical California elementary school (21.4 students per teacher). Its Schola Grade is A (excellent), compared with 5,632 California elementary schools.
Grades & enrollment
Students per grade, 2024–25Grades K–5
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- Elementary
- Grades offered
- K–5
- Enrollment (2024–25)
- 633 students
- Students per teacher
- 27.8 to 1
- Charter school
- No
- Magnet school
- No
- Locale
- Suburb — Large
- School district
- Bonita Unified
- County
- Los Angeles County
- NCES school ID
- 060561000504
Schools near Arma J. Shull Elementary
All 17 schools in San Dimas →
Sutherland Elementary
Public · Grades K–5 · 488 students
Dove Day School- Educational Programs- Inc.
Private · Grades K–4 · 13 students
Gladstone Elementary
Public · Grades K–5 · 518 students
Fred Ekstrand Elementary
Public · Grades K–5 · 475 students
Willow Elementary
Public · Grades K–6 · 388 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.