Castle Rock Middle School
| Name | Castle Rock Middle School |
| Grades | Class 06 to Class 08 |
| Address | 415 North 30th Street |
| City | Billings |
| School District | Billings Elem |
| County | Yellowstone County |
| Zipcode | 59101 |
| Phone No. | (406)281-5800 |
| State | Montana |
| City | Midsize |
| Students | 681 |
| Teachers | 37 |
| Student Teacher Ratio | 18.4 students per teacher |
| Charter School | N/A |
| Magnet School | N/A |
Castle Rock Middle School is located at 415 North 30th Street in Billings city of Yellowstone County county in Montana. This school comes under Billings Elem. You can call them at (406)281-5800 for more details. This is not a magnet school. Total six hundred eighty one students from class 06 to class 08 study in this school who are taught by thirty seven teachers. This is not a charter school. The student teacher ratio of this school is 18.4.