Armstrong Elementary vs Maple Hill Elementary
Maple Hill Elementary has a higher overall rating of 6.1/10 compared to 4.5/10. Maple Hill Elementary is significantly larger with 561 students, about 2.3× the size of Armstrong Elementary (249). In math proficiency, Maple Hill Elementary leads at 85.0%.
Attendance data is under correction. A public school's existing Resources & Environment score and overall rating shown here may still reflect an unverified attendance input.
Armstrong Elementary
Diamond Bar, CA
4.5/10
Elementary SchoolKindergarten – 6th
249 students
Maple Hill Elementary
Diamond Bar, CA
6.1/10
Elementary SchoolKindergarten – 5th
561 students
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| Metric | Armstrong Elementary | Maple Hill Elementary |
|---|---|---|
| Overall Rating | 4.5 / 10 | 6.1 / 10 |
| Academic Score | 6.7 | 9.8 |
| Growth Score | 2.0 | 4.6 |
| Diversity Index | — | — |
| Free/Reduced Lunch | 69.1% | 25.1% |
| Environment Score | 7.3 | 4.1 |
| State Rank | #8,454 of 9,557 | #5,571 of 9,557 |
| State Percentile | 12th | 42th |
Test Scores
| Subject | Armstrong Elementary | Maple Hill Elementary |
|---|---|---|
| Math Proficiency | 42.0% | 85.0% |
| Math (State Avg) | — | — |
| ELA Proficiency | 67.0% | 84.0% |
| ELA (State Avg) | — | — |
School Details
| Detail | Armstrong Elementary | Maple Hill Elementary |
|---|---|---|
| Type | Elementary School | Elementary School |
| Grades | Kindergarten – 6th | Kindergarten – 5th |
| Enrollment | 249 | 561 |
| Student-Teacher Ratio | 20.8:1 | 28.1:1 |
| Free/Reduced Lunch | 69.1% | 25.1% |
| District | Pomona Unified | Walnut Valley Unified |
| City | Diamond Bar | Diamond Bar |
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 |