Armstrong Elementary School
| Name | Armstrong Elementary School |
| Grades | Class KG to Class 06 |
| Address | 22750 Beaverhead Dr. |
| City | Diamond Bar |
| School District | Pomona Unified |
| County | Los Angeles County |
| Zipcode | 91765-1566 |
| Phone No. | (909)397-4563 |
| State | California |
| Suburb | Large |
| Students | 291 |
| Teachers | 14 |
| Student Teacher Ratio | 21.2 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Armstrong Elementary School is located at 22750 Beaverhead Dr. in Diamond Bar city of Los Angeles County county in California. This school comes under Pomona Unified. You can call them at (909)397-4563 for more details. This is not a magnet school. Total two hundred ninety one students from class KG to class 06 study in this school who are taught by fourteen teachers. This is not a charter school. The student teacher ratio of this school is 21.2.