Administrative Staff

Administrative Staff

Heather Incao | Administrative Staff
Heather Incao
Interim Head of School

Heather Incao has been involved with Walnut Farm since 1998 where she began as an assistant. The following year she received her Montessori primary credentials and served as a lead teacher from 1999-2004. Heather then took a short break to care for her son, Christopher, born in 2004. She returned in 2008 as a substitute teacher and in 2010 began again serving as a primary lead teacher. In 2014, Heather assisted in the lower elementary classroom and in 2015 returned to primary as a mentoring teacher. In 2016 Heather served as the Curriculum Specialist for the school. Heather lives with her husband, David, and family on Beaver Lake where she enjoys water skiing, paddle boarding and kayaking. Heather has three children: Rachel, Jane, and Christopher-all Walnut Farm alumni.

Karel Hayre

Karel Hayre has been with Walnut Farm since 1997. Her well rounded experience in the Montessori environment has led her to be an expert in her current position as Administrator. Prior to serving as the administrator, Karel assisted in a primary classroom for 2 years and an elementary classroom for four years. It has been a delight for her to be part of the WFMS community for 20 years.


Leslie Johnson
Financial Officer/Administrative Assistant

Leslie Johnson, a native of Oklahoma, graduated from the University of Central Oklahoma with a bachelor’s degree in accounting. Leslie began volunteering in a Tulsa Montessori school when her children started their Montessori education. She eventually became a full time employee, subbing in the classrooms and working in the administration office. Leslie is excited to offer her accounting expertise and love for Montessori education to the WFMS staff and community. Leslie and her husband, Todd relocated to Arkansas for his work in 2013. Together they have four amazing children.

Lynette Goss | Teaching Staff
Lynette Goss
Curriculum Specialist

Lynette Goss is a graduate of the University of Arkansas. She holds a bachelor’s degree in music, and obtained her primary and lower elementary Montessori credentials in 2005/2006. Lynette has been with Walnut Farm for 12 years. During her tenure, she built the school’s music program, served as an elementary assistant, taught two years at the primary level, and six years in lower elementary. She is married to her wonderful husband, Jason. Together they try to keep up with their four-year-old twin boys. Both boys attend Walnut Farm and are enjoying their 2nd year of primary.