Teachers and Staff
Katie Horenberg
Bees (M-Tu-W) / Fireflies (Th-F),
Katie Horenberg has a Masters in Teaching from the University of Virginia in Early Childhood Special Education. She worked in Arlington County for 8 years as a pre-school special education teacher, taking a break after having her second child. She found Annandale Co-op for her kids a year later and fell in love with the school. She joined the Membership Board and began substitute teaching for all of the classrooms. Her two oldest children are both ACPS alumni, and her youngest is a current student. She loves reading, running, and singing whenever she can.
Ms. Kirsten Howard
T,Th,F 3’s: Grasshoppers,
Kirsten Lee Howard, teacher of three year olds, has always wanted to teach! She holds a Master’s Degree in Teaching Students with Special Needs from Wheelock College in Boston, MA and a Bachelor’s Degree in Psychology (with an Elementary Education focus) from Connecticut College. Kirsten taught preschool, kindergarten, and first grade during nineteen years of teaching. She is also a certified Responsive Classroom teacher and trainer.Kirsten was born and raised in New England. She is an avid reader, an amateur gardener, and rewatches all episodes of Joss Whedon’s Firefly at least once a year. Kirsten bakes good muffins, loves to make play-doh, and has yet to find a chocolate chip cookie that she doesn’t like! Her son & daughter are ACPS alum!
Mrs. Jacquie Diedrick
M-Th 4's: Spiders,
Jacquie Diedrick is the MWF 3s teacher. She has a Bachelor’s Degree in Elementary Education as well as a Master’s Degree in Literacy Education. Mrs. Diedrick has taught all over the country including, South Carolina, Ohio, Utah, and Alamaba. She found her passion for preschool last year and is so excited to continue working with three year olds at Annandale Co-Op this year! Jacquie also has two kids, a dog, and a great husband.
Mrs. Amy Quigley
M-F 4’s: Dragonflies,
Amy Quigley, teacher of four- and five-year-olds, has a degree in Elementary Education from East Tennessee State University. Mrs. Quigley taught preschool in Connecticut and Tennessee for over twelve years, seven of which were at a NAEYC accredited preschool. She has been a member of Annandale Cooperative Preschool since 2007, as a substitute teacher in the twos’, threes’, and fours’ classrooms, Personnel Director, President, and Membership Director. Mrs. Quigley has four children, three of whom are ACPS graduates.
Mrs. Marie Sloane
Director of Education,
Marie Sloane, Director of Education, has a Master of Science in Teaching from the University of Chicago and Certificate of Advanced Study in Early Childhood Administration from National Louis University. An early childhood educator for over twenty years, she has taught preschool through third grade, worked in administration, and served as a consultant. Mrs. Sloane is a published author and experienced presenter, with more than thirty presentations at local, regional, and national conferences.
Larissa Jackson
Floating Teacher,
As the Floating Teacher, Larissa Jackson supports all classrooms at ACPS. Her belief in educational opportunities for everyone has guided her path to working with learners of all ages. She has coordinated ESOL programs for adults throughout Northern Virginia, designed and implemented enrichment programming for middle and high school students in D.C., and served elementary and middle school communities in Fairfax County as a School Social Worker. Most recently she’s supported preschool learners as a co-oping parent at ACPS. Larissa has a fascination and love of learning and playing outdoors. You are likely to find her exploring alongside her ACPS friends, marveling at the wonders that surround us in our outdoor learning space. Larissa holds a Bachelor’s of Arts from the College of William and Mary and a Master’s of Social Work from Virginia Commonwealth University.
