Castle Rock Elementary School
| Name | Castle Rock Elementary School |
| Grades | Class KG to Class 05 |
| Address | 2975 Castle Rock Rd. |
| City | Diamond Bar |
| School District | Walnut Valley Unified |
| County | Los Angeles County |
| Zipcode | 91765-3420 |
| Phone No. | (909)598-5006 |
| State | California |
| Suburb | Large |
| Students | 683 |
| Teachers | 27 |
| Student Teacher Ratio | 25 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Castle Rock Elementary School is located at 2975 Castle Rock Rd. in Diamond Bar city of Los Angeles County county in California. This school comes under Walnut Valley Unified. You can call them at (909)598-5006 for more details. This is not a magnet school. Total six hundred eighty three students from class KG to class 05 study in this school who are taught by twenty seven teachers. This is not a charter school. The student teacher ratio of this school is 25.