Fourth Grade

Welcome to Fourth Grade

Mrs. Barton: [email protected]

Dawn Barton is a veteran teacher with 29 years of teaching experience.  She graduated from Towson University with a degree in Elementary Education and a minor in Child Psychology.  She later went on to attend McDaniel College, graduating with a Master's degree in Educational Leadership and obtaining Administrator 1 certification.  She began her teaching career with Anne Arundel County Public Schools where she taught grades 3, 5, and 6.  While pursuing her masters, she transferred to Carrol County Public Schools where she taught 5th grade ELA/Social Studies and served as a mentor teacher.  Before transferring to Baltimore County Public Schools, she spent a year Supervising student teachers remotely through Grand Canyon University and published her first book series for young adults called Missing.  She has spent the last 9 years teaching with Baltimore County Public schools teaching 4th and 5th grades.  Her passion is to not only educate the youth of our future, but to also motivate, guide, and inspire prospective teachers. 

Mrs. Long: [email protected] 

Chetina graduated from Coppin State University with a Bachelor of Science degree in Criminal Justice. She subsequently attended graduate school and earned a Master of Science degree in Criminal Justice Administration. After earning her undergraduate degree, she began her career in the field of education as a short and long-term Substitute Teacher with the Baltimore City Public Schools in 2011. During this time, she primarily worked within several middle and high schools throughout the City of Baltimore. Later, Mrs. Long attended and graduated from the University of Baltimore School of Public Affairs with a Master of Science degree in Human Services Administration, with a specialization in rehabilitation counseling. In 2018, she was promoted to the position of Elementary Teacher. She taught Mathematics, Science, and Health for grades 6th, 5th, and 3rd while working at Thomas Jefferson Elementary-Middle School in the Southwestern section of Baltimore City. 
In 2021, Mrs. Long graduated from University of Maryland Notre Dame with a Master of Art in Teaching, with a focus on General and Special Education. Mrs. Long is a member of several academic honor societies. She has also participated in the facilitation of a girl’s academic mentoring group which is an after school extra-curricular activity during the past 4 school years. In addition, she has taught Springboard after school and extended school year reading program aimed to bridge the gap in learning and enhance student’s skills. She has also actively participated as a member of the Instructional Leadership Team [ILT] at the school.

Mrs. Long has many years of experience working with children in various capacities, both professionally and personally. In 2014, she and her husband were awarded a Maryland Governor’s citation for their commitment and work with children.  

This is Mrs. Long's first year at Winfield Elementary and Baltimore County Public Schools. She is very excited to join the school community and team as the 4th grade Mathematics teacher. Ironically, her husband entered Winfield Elementary as a 5th grader in 1978. 


Dr. Shell: [email protected]

Dr. Shell holds a Bachelors in elementary education from Morgan State University, a Masters from Goucher College in administration & supervision, and a Doctorate from Argosy University in organizational leadership.

Dr. Mary Shell is a veteran teacher who began her teaching career in Baltimore City Public Schools as a second-grade teacher. From there she held positions as third-grade teacher, lead teacher, teacher mentor, PBIS Chair, SST Chair, summer school coordinator, and assistant principal. Once finishing her tenure there, she completed her EdD and joined Baltimore County Public Schools as a school and family coordinator. This position encouraged bridging the communication gap between parents and schools.

Currently, Dr. Shell is happily teaching a group of amazing fourth-graders at Winfield Elementary. Her future goal is to author a book on the positives and challenges that come with being a teacher.