DIAMOND BAR MONTESSORI ACADEMY vs Armstrong Elementary
Armstrong Elementary has a higher overall rating of 7.1/10 compared to 5.3/10. Armstrong Elementary is significantly larger with 249 students, about 8.3× the size of DIAMOND BAR MONTESSORI ACADEMY (30).
DIAMOND BAR MONTESSORI ACADEMY
Diamond Bar, CA
5.3/10
Elementary SchoolKindergarten – 1st
30 students
Armstrong Elementary
Diamond Bar, CA
7.1/10
Elementary SchoolKindergarten – 6th
249 students
Ratings Comparison
| Metric | DIAMOND BAR MONTESSORI ACADEMY | Armstrong Elementary |
|---|---|---|
| Overall Rating | 5.3 / 10 | 7.1 / 10 |
| Academic Score | — | 8.1 |
| Growth Score | — | 6.4 |
| Diversity Index | — | — |
| Free/Reduced Lunch | — | 69.1% |
| Environment Score | — | 7.3 |
| State Rank | #1,430 of 1,787 | #3,331 of 9,539 |
| State Percentile | 20th | 65th |
Test Scores
| Subject | DIAMOND BAR MONTESSORI ACADEMY | Armstrong Elementary |
|---|---|---|
| Math Proficiency | — | 69.0% |
| Math (State Avg) | — | — |
| ELA Proficiency | — | 62.0% |
| ELA (State Avg) | — | — |
School Details
| Detail | DIAMOND BAR MONTESSORI ACADEMY | Armstrong Elementary |
|---|---|---|
| Type | Elementary School | Elementary School |
| Grades | Kindergarten – 1st | Kindergarten – 6th |
| Enrollment | 30 | 249 |
| Student-Teacher Ratio | 10.3:1 | 20.8:1 |
| Free/Reduced Lunch | — | 69.1% |
| Chronic Absenteeism (SY 2022-23) | — | 36.9% |
| District | — | Pomona Unified |
| City | Diamond Bar | Diamond Bar |
Student Demographics
DIAMOND BAR MONTESSORI ACADEMY
Asian
93.3%
White
6.7%
Armstrong Elementary
Not available
Neighborhood
| Metric | Diamond Bar (91765) | Diamond Bar (91765) |
|---|---|---|
| Median Household Income | $104,737 | $104,737 |
| Median Home Value | $878,900 | $878,900 |
| Median Rent | $2,395 | $2,395 |
| College Educated (Bachelor's+) | 53.3% | 53.3% |
| Poverty Rate | 10.1% | 10.1% |
| Avg Commute | 34 min | 34 min |