St. Mark's Team

The staff and leadership at St. Mark's Day School is a loving and nurturing team whose sole focus is the best interest of children. If you have any questions, feel free to reach out and email our office.

You can contact the St. Mark's Day School office at

Staff & Leadership

  • Jennifer Reinhardt


    Jen and her family relocated from Maryland in August 2018. She lives with her husband and 2 boys in Crystal Lake. As a graduate of Notre Dame of Maryland University, Jen’s teaching career has been geared towards the empowerment of preschool and elementary children. She has a strong passion to educate young minds and help them blossom into well-rounded, responsible, and successful individuals. Throughout the course of her career she has had the wonderful opportunity to teach the academics and visual arts. Jen strives to meet each student’s unique needs and style of learning in order to guide them in finding comfort and success. She has developed programs with lessons that promote creativity, encourage growing independence, and encourage children to reach their full potential. Jen is very excited to share her passion for education and the arts with your children.

  • Kathi Slatter


    Kathi has been teaching at St. Mark's for 13+ years. She grew up in Park Ridge and attended Maine South High School. Kathi graduated from the University of Wisconsin Madison and earned her Master's Degree in Early Childhood Education from National Louis University. She has four children in District 220 schools and enjoys skiing with all of them!

  • Emily Bowker


    Emily grew up in Barrington. She earned her bachelor's degree in Communication Media Studies from DePaul University in Chicago. After a brief stint in the corporate world, she returned to school to further her education and change career paths. She received her Master of Arts in Teaching from National-Louis University in Chicago and began teaching at the elementary level. After marrying and starting a family, she and her husband Todd moved back to Barrington with their two children Ella and Tanner. Emily stayed home with her kids for a number of years, returning to teaching at St. Mark's in 2014. She has taught both the Pre-Kindergarten, and Preschool 3's programs. Emily is a firm believer in play based learning and inspiring children through music, art and movement. She is dedicated to treating each child as an individual and differentiating instruction based on specific needs. In her free time Emily relishes time with family, baking, walking and playing with the family dogs, exercise, and a good book.

  • Meg Jorgensen

    Assistant Teacher

  • Sara Morrell

    Assistant Teacher/Administrative Assistant

  • Anne Quillen


    Anne Quillen has been teaching preschool since 2008. She has been married for 21+ years and has 2 daughters. Anne holds Bachelors Degree in Early Childhood Education from National Louis University. She taught preschool at the Elk Grove Day Care for 15 years. While Anne considers all education invaluable, the most exciting education she has received is from the many years of working with young children! Anne has a passion for teaching and loves meeting new classes and parents each year. 

  • Kelly Gunderson


    Kelly will complete her master’s degree in Early Childhood Education from the American College of Education in February 2023. She taught at the elementary level in Chicago Public Schools, but early childhood is her passion! Kelly lives in Barrington with her partner, two children and two dogs. In her free time, she loves to read, attempt to cook (with varying levels of

    success), and float on their lake.

  • Carol Kenneally

    Music Teacher

    Carol has been encouraging and developing preschooler's natural love of music & movement in the Chicago area since 1998. Children enjoy learning basic music skills, exercise their large & small motor skills, practice self expression & social skills, as they engage with Carol's guitar, age appropriate props & instruments, and different styles of music. Carol & her husband are empty nesters now and 'glamping' as much as possible!