School counselor assignments at Twin Valley High School are by the first letter of the student's last name as follows:
| A-FA |
Mrs. Tiffany Perricone |
ext 7620 |
| FB-LA |
Dr. Michele O'Brien |
ext 7553 |
| LB-RE |
Mrs. Diana Gilbert |
ext 7646 |
| RF-Z |
Mrs. Donna Larson |
ext 7618 |
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| Transition Coordinator |
Mrs. Cynthia Murray |
ext 7579 |
| Guidance Secretary |
Mrs. Randy Waterman |
ext 7630 |
| Guidance Secretary/AM |
Mrs. Grade Heckman |
ext 7630 |