| Last Name | First Name | VM/Phone | Department | |
| Aldworth | Michael | maldworth@naperville203.org | 305-4978 | Foreign Language Department |
| Amberger | Robin | ramberger@naperville203.org | 420-8104 | Social Worker |
| Amburn | Amanda | aamburn@naperville203.org | 420-6527 | Special Education Department |
| Antink | Allison | aantink@naperville203.org | 305-7797 | Science Department |
| Applegate | Lee | lapplegate@naperville203.org | 420-4203 | Library Director |
| Arlis | Thomas | tarlis@naperville203.org | 420-3259 | Art Department |
| Armitage | Geri | garmitage@naperville203.org | 305-3016 | Applied Sciences and Technology Department |
| Atienza | Maria | matienza@naperville203.org | 305-4375 | Foreign Language Department |
| Bach | Mike | mbach@naperville203.org | 420-4252 | Wellness Department |
| Baird | Hiram | hbaird@naperville203.org | 305-4100 | Mathematics Department |
| Bauer | Chris | cbauer@naperville203.org | 305-7259 | Special Education Department |
| Baumgartner | Jennifer | jbaumgartner@naperville203.org | 420-6821 | Dean of Student Activities |
| Bedore | Jeffry | jbedore@naperville203.org | 305-4367 | Social Studies Department |
| Biggs | Katie | kbiggs@naperville203.org | 305-3311 | Communication Arts Department |
| Bishop | Emily | ebishop@naperville203.org | 305-3621 | Foreign Language Department |
| Blaskovich | Kathy | kblaskovich@naperville203.org | 420-6530 | Applied Sciences and Technology Department |
| Bostrom | Barbara | bbostrom@naperville203.org | 305-3298 | Applied Sciences and Technology Department |
| Boykins | Denise | dboykins@naperville203.org | 420-6529 | Special Education Department |
| Brasel | April | abrasel@naperville203.org | 305-4392 | Communication Arts Department |
| Brown | Georgia | gbrown@naperville203.org | 420-3258 | Instructional Coordinator |
| Brown | Timothy | tbrown@naperville203.org | 305-4395 | Mathematics Department |
| Brucker | Elizabeth | ebrucker@naperville203.org | 305-4930 | Science Department |
| Bukusi | Wanjugu | wbukusi@naperville203.org | 305-4934 | Communication Arts Department |
| Burghardt | William | wburghardt@naperville203.org | 305-3337 | Communication Arts Department |
| Byrne | Anna | abyrne@naperville203.org | 305-3367 | Science Department |
| Campise | Gino | gcampise@naperville203.org | 305-4716 | Communication Arts Department |
| Cannizzo | Jessica | jcannizzo@naperville203.org | 305-4937 | Science Department |
| Canty | Karen | kcanty@naperville203.org | 848-3954 | Mathematics Department |
| Carbonaro | John | jcarbonaro@naperville203.org | 420-8113 | Guidance Counselor |
| Catalano | Lisa | lcatalano@naperville203.org | 848-3993 | Social Worker |
| Catapano | Rosanna | rcatapano@naperville203.org | 305-4747 | Communication Arts Department |
| Cawley | Vanessa | vcawley@naperville203.org | 305-4756 | Foreign Language Department |
| Champion | Tom | tchampion@naperville203.org | 305-4973 | Science Department |
| Chavez-Davalos | Laura | lchavezdavalos@naperville203.org | 305-4904 | ELL Department |
| Chiappetta | Jim | jchiappetta@naperville203.org | 305-3067 | Social Studies Department |
| Chiu | Piling | pchiu@naperville203.org | 420-2314 | Foreign Language Department |
| Christenson | Lynette | lchristenson@naperville203.org | 305-4925 | Mathematics Department |
| Clark | Lori | lclark@naperville203.org | 305-7186 | Foreign Language Department |
| Clayton | Linda | lclayton@naperville203.org | 420-6546 | Special Education Department |
| Cohoon | Catherine | ccohoon@naperville203.org | 983-2501 | Director of ELL Services |
| Cole | John | jcole@naperville203.org | 420-4043 | Science Department |
| Cone | Eva | econe@naperville203.org | 305-4936 | Science Department |
| Connor | Marty | mconnor@naperville203.org | 420-8031 | Guidance Counselor |
| Cooke | Suzanne | scooke1@naperville203.org | 420-6502 | Dean Of Students |
| Cortes | Leslie | lcortes@naperville203.org | 305-3677 | Foreign Language Department |
| Cotton | Lisa | lcotton@naperville203.org | 848-3901 | Special Education Department |
| Croxall | Lance | lcroxall@naperville203.org | 305-4976 | Applied Sciences and Technology Department |
| Davis | Karyn | kdavis@naperville203.org | 420-6529 | Special Education Department |
| Dinon | Lisa | ldinon@naperville203.org | 305-4101 | Foreign Language Department |
| Diorio | Rebecca | rdiorio@naperville203.org | 305-3708 | Applied Sciences and Technology Department |
| Discipio | Jacquie | jdiscipio@naperville203.org | 305-4106 | Communication Arts Department |
| Dycus | Jason | jdycus@naperville203.org | 305-8052 | Wellness Department |
| Eby | Kermit | keby@naperville203.org | 305-4119 | Social Studies Department |
| Ellberg | Michael | mellberg@naperville203.org | 305-8057 | Wellness Department |
| Eyre | Marissa | meyre@naperville203.org | 305-7198 | Mathematics Department |
| Facinelli | Bonnie | bfacinelli@naperville203.org | 420-8044 | Guidance Counselor |
| Falk | Joshua | jfalk@naperville203.org | 983-2509 | Special Education Department |
| Fallon | Patrick | pfallon@naperville203.org | 848-3901 | Special Education Department |
| Farrell | Kevin | kfarrell@naperville203.org | 305-4114 | Science Department |
| Farson | Jeffery | jfarson@naperville203.org | 420-6504 | Dean Of Students |
| Faryan | Laurie | lfaryan@naperville203.org | 420-6529 | Special Education Department |
| Fiore | John | jfiore@naperville203.org | 420-4252 | Instructional Coordinator |
| Floor | Elena | efloor@naperville203.org | 305-7121 | Communication Arts Department |
| Foerch | Bradley | bfoerch@naperville203.org | 305-4138 | Social Studies Department |
| Ford | Shannon | sford@naperville203.org | 961-4407 | Special Education Department |
| Frattinger | Marty | mfrattinger@naperville203.org | 305-4112 | Applied Sciences and Technology Department |
| Friedl | Jessica | jfriedl@naperville203.org | 305-4903 | Mathematics Department |
| Fritz | Traci | tfritz@naperville203.org | 420-6557 | Instructional Coordinator |
| Galdikas | Sara | sgaldikas@naperville203.org | 305-8886 | Social Worker |
| Gallagher | Shay | sgallagher@naperville203.org | 420-3259 | Art Department |
| Gamble | Kristen | kgamble@naperville203.org | 305-4971 | Science Department |
| Gaynor | Suzanna | sgaynor@naperville203.org | 305-4118 | Foreign Language Department |
| Gebel | Susan | sgebel@naperville203.org | 420-6546 | Special Education Department |
| Genovesi | Katie | kgenovesi@naperville203.org | 305-3709 | Special Education Department |
| George | Bev | bgeorge@naperville203.org | 305-4932 | Science Department |
| Getsoian |