classical christian school teachers

Paideia’s teachers and staff are all faithful Christians, living lives transformed by the grace of Jesus Christ and subscribing to our Statement of Faith. Here is the list of our teachers and staff for the 2021-2022 school year.


Job Cacka, Matt Dau, David Spears, Kate Singleton, Mike True



DAVID SPEARS served in the military for six years and then gained his B.A. in Economics and Political Science from George Fox University. David is a permanent board member at Paideia and serves as disciplinary principal and head of school. He and his wife Rose have four boys and a passion for advancing Christian education in the Portland metro area. (Head of School)



ROSE SPEARS graduated from New Saint Andrews College with a B.A. in Liberal Arts and Culture. She has been teaching secondary-level classes using Classical curriculum and pedagogy for fifteen years, first at King’s Academy and Schole Academy, and now at Paideia. Rose also oversees academics and admissions at Paideia. She and husband David have four boys enrolled at Paideia. In her spare time, Rose writes historical fiction. (Director of Academics and Admissions; 8th & 9th Literature)


BRENDA KULBE received her diploma in Office Administration – Executive from Niagara College in Ontario, Canada. She worked for 12 years before taking time off to move to the States, get married, and raise her family. She enjoys paper crafts, painting, and amateur photography. She is an invaluable asset to our teachers as she coordinates volunteer scheduling, parent communications, and all things office-related. (Executive Assistant)

ALI TERTIN hails from northern Minnesota where she taught middle school and coached for 8 years before moving to Oregon in 2007. She is a mother of two, the wife of a pastor, and a compassionate friend to all, having served for years in youth ministry, women’s ministries, and the Classical Conversations home school co-op in Portland. Ali is always inviting students, parents, and neighbors into the way of life that belongs to Christ alone. (Administrative Assistant, Geometry, Algebra 2)


AMY HAYES has taught in a variety of educational settings for the past 20 years including homeschooling her own children, grandchildren and the children of friends, running a one-room-school classroom in her home, tutoring foreign students, Barton dyslexia tutoring, and doing teacher training in phonics curricula. She and her husband Doug raised his five children from a previous marriage and now delight in their many grandchildren – several of whom attend Paideia. When not teaching, Amy loves being in her kitchen, creating a welcoming home and garden, photographing babies, all things books, and the worship and life of her church community. (Kindergarten Teacher)

JAYNA HEATH graduated from Northwest University with a B.A. in Elementary Education, including endorsements in ESL and English. She is a native Oregonian who returned home after living in Washington, DC and Louisville, KY with her husband and growing family. Kurt and Jayna have four children. (First Grade Teacher)



SHARON TRUE graduated from Central Washington University with a B.A. in Education, Special Ed. major/minor in Elementary Ed., then attained a Master’s degree in curriculum and instruction from City University.   She taught elementary for 15 years in Vancouver, WA, and high school English in Poland, then married a “True” musician and had three children, whom she homeschooled until she found Paideia, where all of her three children either attend or are alumni. Signing for the deaf, traveling, and mentoring youth have been  interests of hers since her late teens.  Recently she just returned to biking, (with her sons when she can keep up with them) as well as thoroughly enjoying listening to live piano, bass guitar or marimba at her house played by her children and husband.  Because it was done for her, she considers it an honor to pass on truth to the next generation, as there is no greater joy than taking the hand of a child and placing it in the gentle, kind hand of Jesus for all of life! (Second Grade Teacher)

BETH ANNE CACKA graduated from Hyles-Anderson college with a Bachelor of Science in Elementary Education. She taught 3rd, 4th, and 5th grade for several years before marriage and becoming a mom of two boys. She loves art, history, music, animals, baking, hiking, and spending time outdoors with her family in our beautiful state. Previously, she taught elementary art at Paideia and assisted in a variety of elementary subjects as a teacher’s aide. (Third Grade Teacher)


LISA POINDEXTER rejoins our staff as the fourth-grade teacher this year. Mother to six and grandmother to one, she has provided instruction for many years in a homeschool setting and through Classical Conversations. Previously, she taught third grade for several years at Paideia. (Fourth Grade Teacher)




CAITY GENTLE holds a Bachelor’s Degree in Bible and Christian Ministry from New Hope Christian College and a Master’s Degree in School Counseling from Northwest Christian University and has seven years’ experience in education. She and her husband, Rob, have twins who are going into seventh grade. Caity loves being a wife and a mom, cooking, playing games, smiling and being happy, and coffee! (Fifth Grade Teacher)


SARAH BILLINGS holds a Bachelor’s Degree in Elementary Education from Oklahoma Baptist University, where she met her husband, Davey. She has 7 years of experience in education. Outside of the classroom she is the Children’s Director for Woodstock Community Church, a church plant in Portland. In her free time you can find her playing board games with Davey and friends, reading, painting, cross-stitching, baking, and cuddling with her dog. (Fifth Grade Teacher)


ALICE BARNARD graduated from Trinity Western University with a B.A. in Geography, minor in English. She loves to garden, crochet, and read, read, read. Whenever possible, she visits art museums and studies art history. Previous to teaching at Paideia, she tutored Foundations and Essentials classes for Classical Conversations. She is married to Gary who keeps bees for fun, and they have four children ranging from secondary through college age. (Sixth Grade Teacher; College Advisor & Testing Coordinator)



BROOKE BUBNA is excited to be sharing the joy of music with Paideia elementary this year. She earned a Bachelor of Music in composition from Willamette University and a Bible certificate from Ecola. Brooke’s teaching experience includes two years of elementary classroom music, multiple music camps and over a decade teaching private piano lessons. She sang professionally with Portland Dickens Carolers for a number of years, and more recently, can be found playing fiddle for English Country Dance bands. Brooke and her husband Nate have four children. (Elementary Music Teacher)

JUDI BRADLEY was born to missionary parents in Zaire, Africa (now the DRC) and lived there until she was 6 years old, moving to Portland for the remainder of her childhood. In high school and college she took as many art classes as she could until she started having children. With her husband Kevin, she has nine children and has homeschooled for 20 years. Her youngest three attend Paideia where she loves the balance of school and still getting to be a part of their education in the afternoon. Judi recently returned to school herself and is slowly working toward her A.A. In her free time, she loves to sew, create art, cook, garden, thrift store shop. The thing she most looks forward to is the return of Jesus! (Elementary Art Teacher)

KAITLYN WAGNER has been a classroom teacher and elementary dean at Paideia for seven years. After “retiring” to stay home with her first child, she has returned as our fifth grade Latin teacher. (Elementary Latin Teacher)




ANA DAU graduated from the University of Idaho with a B.A. in Classical Studies. Ana has taught drama, art, and Latin at Paideia and is excited to rejoin our staff this year as a teachers assistant and 4th grade Latin teacher. Ana and her husband Matt live in Oregon City with their four children, all of whom attend Paideia. (Elementary Teacher’s Aide)



JULIA SAGER has two boys at Paideia this year and has been an active volunteer for the past three years.  In her spare time, Julia enjoys painting, sewing, spending time with her four children, listening to sermons, and sharing a cup of coffee with friends. Julia’s greatest love is Jesus, followed closely by the hope of seeing all four of her children pursue Jesus and growing in their faith and walk with Him. (Elementary Teacher’s Aide)



MELITA CONE is excited to join Paideia this year as a kindergarten teacher’s aide. She has previously coached recreational and competitive gymnastic working with kids ranging from preschool all the way up to high school.  She is currently working towards getting her radiography degree at a nearby college. Outside of the classroom she enjoys hiking, going to the beach, and drinking coffee. (Kindergarten Teacher’s Aide)



MORGAN GOLDBERG started her love and practice of theater at a young age starring in school and community theater productions through out her schooling. She went on to major in theater in college and continued both performing, writing and directing on and off campus. Post college her path diverged slightly to becoming a professional circus artist and children’s movement arts educator.  She toured the region performing a one women educational clown show for children, produced and performed in full length circus theater shows, and did many artist residencies at schools culminating in shows with the children. (Theater Teacher)


SARAH ASHWORTH has a B.A. in Studio Art from University of California, Davis, a Master of Architecture from University of Oregon and is a licensed architect in California and Oregon. She and her family love hiking, camping, and playing on the beach. Sarah’s interests mostly fall into the theme of making—from gardening, cooking, sewing, and drawing to interior design and architecture. (7th History, 9th History, 11th/12th-Chemistry, PreCalculus, Statistics)


DAVEY BILLINGS is an avid lover of languages, particularly ancient languages. He earned a B.A. in Biblical Languages and Linguistics from Oklahoma Baptist University (where he also met his wife, Sarah), and an M.A. in Biblical Languages and Linguistics from Southeastern Baptist Theological Seminary in North Carolina. He is a J.R.R. Tolkien enthusiast, and other favorites are To Kill A Mockingbird, Jurassic Park, and The Kite Runner.  When he’s not reading, Davey’s favorite pastime is playing board games and card games with friends and family. (Latin 1 & 2, Greek 1 & 2, 7th Lit & Language Arts)


RACHEL COGBILL is the wife of a pastor and mother to three at Paideia. She earned a B.A. in Business Finance (minor in Spanish) from Texas Christian University and a Master’s in Education with emphasis in teaching reading from Dallas Baptist University. She taught at the elementary level for five years before “retiring” to stay home with her kids and then joined our team two years ago to teach secondary Spanish. (Spanish 1, Spanish 2)


AGATA COOMBS was born and raised in Poland. She graduated from Pomeranian Pedagogical Academy in Slupsk, Poland with a Master’s degree in Biology. She moved to the United States in 2006 after marrying her husband, Bert. They are raising three children who are all attending Paideia. In her free time Agata enjoys cooking, fermenting, experimenting in the kitchen and long hikes with her family. (Math Lab)




JULIE EDMONDS studied Early Childhood Education at Edmonds Community College after high school. She also attended Calvary Chapel Bible College in California. She’s been married to her high school sweetheart for 40 years and they have 7 sons together and 19 grandchildren. She has taught history classes in several home school cooperatives, and for 4 years directed the Classical Conversations of Happy Valley’s Foundations and Essentials Programs. (9th Bible)


JOSEPH FORSTER graduated from George Fox University in 2009 with a B.A. in Music. He plays a variety of musical instruments and has taught music in many contexts, including giving private lessons and directing church and university choir groups. He is currently the Chief Musician at Reformation Covenant Church and owns Sterling Piano Tuning. He lives in Oregon City with his wife Hannah and their soon-to-be five children and enjoys board games  in his spare time. (Junior High & Senior High Music)

MATT HARTMAN has a B.S. in History and Philosophy from Portland State University and a Master of Theological Studies from Duke University. Born and raised in SW Washington, Matt enjoys being in the outdoors. He also enjoys reading books, listening to a range of music, watching movies, playing sports, and nerding out on theology. All of these things he loves more when he does them with his wife. (8th History, 8th English, 10th/11th Great Books: Medieval, 12th Great Books: Modern)



CHELSI LACINE studied Biology at Chemeketa Community College and George Fox University. She is a pastor’s wife and mother to four children. Chelsi is passionate about inspiring young people in the wonder of God through the study of the Bible and his creation.  (7th Bible, 7th/8th Science, Algebra 1, 9th/10th Biology, House Coordinator)


ELLY LORTZ graduated from University of Idaho in 2002 with a  B.S. in Accounting. After a brief stint in real estate accounting, she left the corporate world to raise a family. Elly and her husband, Michael, have five children who are all attending Paideia. She enjoys bread baking, gardening, reading, and getting together with friends for coffee.  (PreAlgebra)



CONNIE MEYERDIERK studied Elementary Ed. at Western Oregon State College. She and her husband Mike are committed to educating their three children from a Christian perspective. She has enjoyed many years of homeschooling.  Connie helped to form a co-op in her early homeschooling days and taught a variety of subjects in the six years her family participated in it.  One of Connie’s passions is nurturing a love for God and His Word. (8th Bible, 10th Bible)


DEVIN SMITH is a pastor at Reformation Covenant Church. Before that, he taught Latin and humanities for 10 years. He received his BA and M.Div from The Master’s University and Seminary, and is currently writing a dissertation for a doctoral degree in Christian ed. through Biola University. He and his wife, Amy, have four children: Aiden, Jonathan, Geneva, and Abigail. In his free time he enjoys hiking, golf, and dating his wife. (11th/12th Junior & Senior Thesis, 11th/12th Church History)


ELSHA WINSOR graduated from the Master’s University in Santa Clarita, California with a degree in English and later received her teaching license and M.A. in Teaching from the same institution. She taught both middle and high school classes in California where she first encountered the value of classical education. She enjoys exploring coffee shops and book stores with her husband, Ryan, and three young children. (7th Logic, 8th Logic, 9th/10th Logic & Rhetoric)