Elementary Staff

Mandie Bonilla-Ortiz - Lower Elementary Guide

Mandie is the Lower Elementary guide at SCMS since 2016. She was inspired to become a Montessori guide “after reading one paragraph about this inspiring woman named Maria Montessori.” She holds AMI certification (Milwaukee), a Master’s degree (St. Catherine University), and a Bachelor’s degree in Elementary Education (University of Wisconsin, Milwaukee).






Sheri Rylicki - Upper Elementary Guide

Sheri Rylicki is St. Croix Montessori School's Upper Elementary Guide. After over 15 years in administration, Sheri is thrilled to be in the classroom where she can share her love of math, storytelling and inspiring students to challenge themselves academically, socially and physically. Sheri was drawn to Montessori teaching when she “fell in love with the level of respect and independence that the children are given. It’s amazing to see how capable children can be when given the right tools and guidance.” Sheri has earned many degrees and certificates, including: AMI Elementary Diploma (Montessori Center of MN), AMI Montessori Orientation to Adolescent Studies 12-18 (the Association Montessori International), a Master’s degree (John Carroll University), and a Bachelor’s degree (Hamline University). At SCMS, Sheri most appreciates the children’s friendliness, their respectfulness, and their sense of humor.

Originally from Endeavor, WI, Sheri has a husband of 29 years, four children (one graduate of SCMS and one current student), three grandchildren and a friendly dog. She enjoys reading, volleyball, and driving the boat.

Emma Gohlke (Emma June) - Upper Elementary Assistant

Emma is the Upper Elementary Assistant.  She has worked four summers in SCMS’s Summer Camp Program.  Emma graduated from the University of Wisconsin, River Falls with a Bachelor’s Degree in Elementary Education with a  Minor in Early Childhood Education.

Emma is originally from Endeavor, WI.  She enjoys playing volleyball, quilting, country music, spending time with family and playing with her dog, Gus.




Jenny Ahvonen - Lower Elementary Assistant

Jenny graduated from the University of Wisconsin – River Falls with a Bachelor’s Degree in Elementary Education and a minor in Early Childhood Education. She completed her last semester of student teaching in a lower elementary Montessori classroom, and is excited to be at SCMS.

Jenny was born and raised in Helsinki, Finland. She now lives in Hudson, WI with her husband and their black lab. Jenny enjoys traveling, hiking, and reading.

Contact Us

177 Neal Avenue North
Stillwater, MN 55082

Phone: (651) 436-2603

Fax: (651) 436-1170