Natalie grew up in Barrington and graduated from Purdue University in 2000, where she earned her Bachelor's Degree in Early Education. She currently resides back in Barrington with her two daughters, Sophia (14), and Bianca (12). This will be her fifth year returning to St. Mark's.

Kathi has been teaching at St. Mark's for 16+ 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 Lewis University. She has four children in District 220 schools and enjoys skiing with all of them!

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.

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 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.

Brooke grew up in nearby Hawthorn Woods, attending Lake Zurich schools and playing tennis at Biltmore CC during the summers. She graduated college in 2001 with a Bachelors of English Literature from Miami University in Ohio. After graduating Brooke worked in Lisle, IL as an early childhood teacher, within a Montessori school, where she learned and studied the Montessori teaching philosophy. Seeking new experiences, in 2007 she moved to the pacific northwest and worked in a Waldorf/Rie/Reggio Emilia inspired preschool in Portland Oregon. In 2013 Brooke moved back to the area to be closer to family and currently lives in Barrington with her wife and 3 daughters, who all attend Barrington 220 schools. When Brooke is not teaching you can find her on a bike, in the gym, in the garden or outside playing with her girls.