Faculty / Staff
- Administration
- Staff: Home Department
- Faculty and Staff: Upper School
- Faculty and Staff: Middle School
- Faculty and Staff: Lower School
- Faculty and Staff: Early Childhood
- School Counseling
- School Athletics
- School Technology
Administration
| Principia Board of Trustees | Board of Trustees | |
| Blackwell, Barbara | Chief Executive | |
| Griswold, Maria | Executive Assistant to Chief Executive | |
| Grigsby, Terry | Head of School | |
| Sorrells, Merry | Associate Head of School & Middle School Principal | |
| Gavaletz, Tami | Assistant Head of School for Business and Operations | |
| Maxey, Stephanie | Executive Assistant to the Head of School | |
| Dry, Samantha | Principal, Upper School | |
| Halverson, Dorothy | Principal, Early Childhood | |
| Stollman, Jen | Director of Belonging and Community | |
| Tibbetts, Heather | Principal, Lower School | |
| Warrick, Brad | Director of Spiritual Life |
Staff: Home Department
| Stanley, Marcus | Director, Home Department | |
| Mansky, Leslie | Assistant Director, Home Department | |
| Fendon, Jessica | Dorm Administrative Assistant and Activity Coordinator | |
| Ball, Justin | Houseparent | |
| Farson, Jemlok | Houseparent | |
| Hussey, Tina | Houseparent | |
| Miller, Tessa | Houseparent | |
| Shutt, Clark | Houseparent |
Faculty and Staff: Upper School
| Dry, Samantha | Principal, Upper School | |
| Biró, Heather | Administrative Assistant | |
| Brewer, Michelle | Student Life Administrative Assistant | |
| Allen, Joel | Biology Teacher | |
| Badock, Daniel | Social Studies Teacher | |
| Biró, Marcel | International Student Program Coordinator | |
| Bland, Michelle | International Student Program Director, Social Studies Department Chair | |
| Combs, Wade | Math Teacher | |
| Connor, Mark | Head Band Director | |
| Davenport, Natalie | Math Teacher | |
| Dow, Velvet | Mathematics Teacher, Math Department Chair | |
| Evans, Amy | LEC Mathematics Specialist, Grade Level Guardian: Juniors | |
| Evans, Keith | Percussion Instructor | |
| Figueroa, Paula | Spanish Teacher, World Languages Department Chair | |
| Gravemann, Sarah | Humanities Teacher | |
| Gribble, Hope | Garden Education Coordinator | |
| Hinthorne, Grace | Media Arts/Yearbook Teacher, Grade Level Guardian: Seniors | |
| Hoff, Doug | Outdoor Learning Coordinator/Principia Adventure Outdoor Education | |
| Johnson, Lisa | Student Life Programs Director & Trips Coordinator | |
| Jones, Scott | Social Studies Teacher | |
| Kavanaugh, John | English Teacher | |
| Lamboley, Mary | Visual Art Teacher, Visual Art Department Chair | |
| Lewis, Dante | Director of Strength and Conditioning & PE Teacher | |
| Lux, Avery | Theater Arts Teacher | |
| MacDonald, Evan | Bible Studies Teacher | |
| MacDonald, Katie | English Teacher, English Department Chair | |
| Marschke, Jason | Spanish Teacher | |
| Moore, Justin | Choir Director, Performing Arts Department Chair | |
| Morey, Jill | LEC Resource Teacher | |
| Pomeroy, Beth | Social Studies Teacher, Grade Level Guardian: Sophomores | |
| Pyles, Katie | Assistant Band Director | |
| Richardson, Christian | Math Teacher | |
| Sarhan, Nadim | Teacher and Integration Specialist | |
| Scott, Lynne | Director of Stewardship, Partnership and Impact | |
| Shedd, Melanie | Chemistry, Science Department Chair | |
| Sorensen, Alicia | English, Grade Level Guardian: Freshmen | |
| Spuhl, Josh | Mathematics Teacher | |
| Streeter, Erin | Librarian | |
| Waller, Rich | Visiting Social Studies Teacher | |
| Wang, Yan | Mandarin Teacher | |
| Zoller, Joe | Physics, Math Teacher |
Faculty and Staff: Middle School
| Sorrells, Merry | Associate Head of School & Middle School Principal | |
| Abelow, Gavi | Integrated Studies Teacher | |
| Bradley, Courtney | Spanish Teacher | |
| Bania, Cameron | Physical Education Teacher | |
| Brantingham, Nathan | Physical Education Teacher | |
| Brodbeck, Monnie | Bible/Physical Education/Principia Adventure Teacher | |
| Broz, Alex | Integrated Studies Teacher | |
| Charlebois, Sharon | Integrated Studies Teacher | |
| Connor, Mark | Band Director | |
| Dowdell, Tavia | Math Teacher | |
| Evans, Keith | Percussion Instructor | |
| Furnace, Lee | Physical Education Teacher | |
| Gerke, Natalie | LEC Resource Teacher | |
| Gribble, Hope | Garden Education Coordinator | |
| Grigsby, Sarah | Physical Education Teacher | |
| Hilboldt, Julie | Integrated Arts Specialist | |
| Hoff, Doug | Outdoor Learning Coordinator/Principia Adventure Teacher | |
| Hogan-Bimler, Fran | Language Arts Teacher | |
| Lodes, Molly | Language Arts Teacher | |
| Marples, Nigel | Physical Education Teacher | |
| Moore, Justin | Choir Director | |
| Nguyen, Libbyanne | LEC Resource Teacher | |
| Patterson, Tavia | Math Teacher | |
| Pyles, Katie | Assistant Band Director | |
| Ripley, Grace | Integrated Studies / Social Studies | |
| Russo, Mark | Integrated Studies Teacher | |
| Spires, Allyson | Language Arts Teacher | |
| Streeter, Erin | Librarian | |
| Wallace, Dave | Integrated Studies Teacher | |
| Wallace, Catherine | Administrative Assistant | |
| Weiss, Lauren | Math Teacher |
Faculty and Staff: Lower School
| Tibbetts, Heather | Principal, Lower School | |
| Arens, Lauren | Lead Teacher | |
| Arens, Rissa | Teacher Leader | |
| Belz, Erica | Assistant Teacher | |
| Butterfield, Karin | Librarian | |
| Charlston, Reid | Bible Teacher | |
| Cleveland, Audrey | Fourth Grade Teacher | |
| Elmgren, Louise | Art Teacher | |
| Espinoza, Natalie | Assistant Teacher | |
| Evans, Keith | Percussion Instructor | |
| Farson, Sierra | Third Grade Teacher | |
| Franklin, Emma | Assistant Teacher | |
| Gamrath-Schauman, Robin | Administrative Assistant | |
| Gribble, Hope | Garden Education Coordinator | |
| Hervey, Jessica | Second Grade Teacher | |
| Hinthorne, Jason | Fifth Grade Teacher | |
| Johnson, Holly | Lead Teacher | |
| King, Cristina | Spanish Teacher | |
| Loechner, Hannah | First Grade Teacher | |
| Marples, Nigel | Physical Education Teacher | |
| Marston, Kiersten | Lead Assistant Teacher | |
| Neal, Lindsay | Assistant Teacher | |
| Nguyen, Libbyanne | LEC Resource Teacher | |
| Pyles, Katie | Assistant Band Director | |
| Switzer, Hannah | Assistant Teacher |
Faculty and Staff: Early Childhood
| Halverson, Dorothy | Principal, Early Childhood | |
| Ackermann, Rachael | Early Learning Center | |
| Baillargeon, Melody | Acorn Assistant Teacher | |
| Cathie, Bridget | Preschool Lead Teacher | |
| Dearborn, Christie | Early Childhood Administrative Assistant | |
| Hanlin, Leslie | Early Learning Center Teacher | |
| Hardy, Melissa | Early Learning Center Teacher Assistant | |
| Hill, Heather | Early Learning Center Teacher | |
| Kent, Jodi | Acorn Teacher | |
| King, Cristina | ELC Assistant Teacher | |
| Matthys-Pearce, Patti | Early Learning Center Teacher | |
| McCord, Lisa | Preschool Lead Teacher | |
| Notrica, Laura | Preschool Assistant Teacher | |
| Pratt, Meredith | Early Learning Center Teacher | |
| Quintero, Gaby | Early Childhood Assistant Teacher | |
| Slecka, Katie | Early Childhood Assistant Teacher | |
| Summerlin, Stephanie | Preschool Teacher Assistant | |
| Terrell, Nadine | Early Learning Center Teacher Assistant | |
| Watts, Brittany | Preschool Assistant Teacher |
School Counseling
School Athletics
| Blossom, Julie | Athletics Project Manager | |
| Bania, Cameron | PE Teacher | |
| Brown, Shawn | Director of School Athletics | |
| Brantingham, Nathan | Athletics Events and Facilities Manager | |
| Furnace, Lee | PE Teacher | |
| Gavaletz, Brian | Associate Athletics Director and Middle School Athletics Director | |
| Grigsby, Sarah | Assistant P.E. and Lower School Sports Coordinator | |
| Karlskint, Emily | Trainer | |
| Lewis, Dante | Director of Strength and Conditioning | |
| Terrell, Rob | Director of Sports Information |