DGS Administration
| Title | Name | Assistant | Phone number |
|---|---|---|---|
| Principal | Ed Schwartz | Theresa Dees | 630-795-8511 |
| Associate Principal for Curriculum and Instruction | Georgia Hash | Sharon Dillon | 630-795-8512 |
| Associate Principal for Staff and Students | Dr. Karen Taylor | 630-795-8514 | |
| Associate Principal for Operations | Omar Davis | 630-795-8513 | |
| Associate Principal for Student Support | Sara Courington | Dawn Ceren | 630-795-8515 |
| Department Chair for Counseling and Student Support Services | Kristin Bormann | Dawn Ceren | 630-795-8515 |
| Athletic Director | Randy Konstans | Lisa Wivinis | 630-795-8517 |
| Activities Director | Jennifer Martinez | Mary Wiley | 630-795-8518 |
| Supervisor of Buildings & Grounds | Michael Reyes | Chris Blum | 630-795-8516 |
| Dean | Angela Earwood |
630-795-8531 |
|
| Dean | Dr. Bryan Heap | 630-795-8532 | |
| Dean | Deb Michael | 630-795-8534 | |
| Dean | Sheldon Davis | 630-795-8533 |