Our team is made up of dedicated, compassionate educators who have a heart for children.  In addition to our leadership team and Specials teachers, we have 1 Lead & 1 Assistant Teacher per classroom with over 70% of our staff having advanced degrees.  Further, all of our teachers complete at least 10 new training hours per year.  All teachers and staff are CPR, AED, & First Aid certified.

Angela York

Angela is from Springfield, Missouri. This is her 10th year serving as SBCA Director and 18th year on staff at Summit serving preschoolers & their families. She led SBCA’s initiative to become a Preschool of Excellence in 2020. She is dedicated to serving students, families, her team, and the local community. Please contact Angela with any questions about SBCA, enrollment, or to schedule a tour:

Kari Brown
Assistant Director

Kari is from St. Matthews, South Carolina. This is her 19th year serving with SBCA and 10th year as the Assistant Director. Kari leads the school’s STEAM Lab curriculum. She loves warmly, enthusiastically greeting children in morning carline.

Jennifer Ray
Administrative Assistant

Jennifer is from Huber Heights, Ohio.   This is her 5th year serving with SBCA.  She oversees SBCA's resources and offers support to teachers as needed.  She is committed to keeping the team organized and energized.

Sandy Mashburn
Lead Kindergarten Teacher

Sandy is from Powder Springs, Ga.  She has a bachelor’s degree in Early Childhood Education & holds a current Georgia teaching certificate in childhood education P-5.  This is her 5th year serving with SBCA, in addition to a total of 30 years of teaching experience.  She loves teaching Kindergarten & seeing the pure joy of learning in the eyes of her students.

Nicole Twum-Baah
Assistant Kindergarten Teacher

Nicole is from Ghana, West Africa. This is her 2nd year serving with SBCA as the Kindergarten Assistant Teacher. With a bachelor's degree in political science & an advanced certification in studies unrelated to teaching, she is dedicated to assisting the lead kindergarten teacher and serving the children entrusted to her care.

Jamie Winklesky
Lead Pre K Teacher
& Team Lead

Jamie is from Kennesaw, Georgia.  This is her 10th year serving with SBCA.  With a bachelor’s degree in sociology and minor in psychology along with 10 years of teaching experience, she is passionate about teaching Pre-K and leading the team of Pre-K teachers. 

Angie Yount
Assistant Pre K Teacher

Angie is from Acworth, Georgia.  This is her 3rd year serving with SBCA.  With a Masters in Early Childhood Education and 16 years of teaching experience, she loves making the classroom experience magical for each and every student. 

Ashleigh Spain
Lead Pre K Teacher

Ashleigh is from Erie, PA.  This is her 4th year serving with SBCA.  With a bachelor’s degree in Human Development & Family Studies, a Special Education teaching certification, and 12 years of teaching experience throughout various grade levels, Ashleigh brings great enthusiasm, creativity, and knowledge to her Pre-K classroom. 

Emma Loeffller
Assistant Pre K Teacher

Emma is from Parker, Colorado. This is her 2nd year serving as an assistant teacher in the Pre K 4s program.  With 8 years of experience in serving children, she's very passionate about helping young people grow and learn.

Jane Bragg
Lead 3s Teacher

& Team Lead

Jane Bragg is from Kennesaw, Ga. This is her 4th year serving at SBCA in the 3s program.  With a Technical Certificate of Credit in Early Childcare Education and over 20 years experience in early childcare education, she loves teaching the children about Jesus and encouraging them to be excited about learning.

Laura Whitlock
Assistant 3s Teacher

Laura is from Marietta, GA. This is her 3rd year serving with SBCA. With a Bachelor’s degree in Accounting and 18 years of experience teaching 3-year olds, she loves watching them grow and bloom over the year.

Chelsey Queen
Lead 3s Teacher

Chelsey lives in Acworth, GA.  She has served as a Lead Teacher for the 3s program for 3 years. Her favorite things about teaching the 3s are planning special events for the children along with being a part of the immense growth in independence and motor skills that occur throughout the year.

Bethany Sanders
Assistant 3s Teacher

Bethany was born in Warwick, Rhode Island.  This is her 3rd year serving at SBCA. Her favorite part of serving as an Assistant Teacher in the Threes is helping the kids grow and become ready to excel in Pre K 4s

Marie Goff
Lead 2s Teacher
& Team Lead

Marie is from Kennesaw, Ga. This is her 10th year serving at SBCA as a 2s teacher & this is her 8th year as Team Leader. With her teaching experience & Bachelor’s Degree in Early Childhood Education, she uses her knowledge to make her class a hands-on and engaging environment. She also enjoys developing & implementing the curriculum for SBCA’s Summer Camp.

Dana Callan
Assistant 2s Teacher

Dana Callan is from Morristown, New Jersey.  This is her fifth year serving with SBCA.  She assists the lead teacher in many roles.  She loves helping, guiding, and motivating this new generation of preschoolers.

Amanda Martin 
Lead 2s Teacher

Amanda is from Marietta, Georgia and this is her 5th year teaching at SBCA. Her love for children has led her to serve in youth and children's ministries for over 15 years.  With that experience, she especially loves serving as a Lead Teacher in the 2s program.

Lisa Sengvixay
Assistant 2s Teacher

Lisa Sengvixay is originally from Florida, but moved to Georgia at 2 years old. This is her 2nd year at SBCA assisting in the Toddler/Twos program. As an Assistant Teacher in the 2s program, she really enjoys working with this fun age group. 

Kasey Harvill
Lead Wee Ones / Toddler Teacher

Kasey is from Newnan, Georgia.  This is her 3rd year serving at SBCA & 2nd year teaching the Wee Ones/Woddlers.  With a bachelor’s degree in English Education & a Masters in Educational Leadership along with 10 years of teaching experience, she is passionate about teaching SBCA's littlest ones to love learning at the beginning of their educational journey.

Jenny Costello
Assistant Wee Ones / Toddler Teacher

Jenny Costello is originally from Ohio, but has lived in Kennesaw for 23 years. This is her 7th year serving at SBCA and her 2nd year serving as the Assistant Teacher in the Wee Ones/Woddler program.  With her Bachelor's degree in Math and many years of serving children, she loves being a part of the SBCA team and thinks the children are so amazing and fun!

Sarah Tubo
Music & Movement Teacher

Sarah is from Kennesaw, Georgia.   This is her 3rd year serving with SBCA.  With 9 years of teaching experience, she enjoys teaching children to love music as much as she does. In addition to teaching music, she oversees a non-profit that sends school supplies to poverty-stricken areas of Ghana, Africa.

Samantha Reeves
Spanish Teacher

Samantha is from Jacksonville, Alabama. This is her first year serving with SBCA. With a B.A. in Spanish and 3 years of teaching experience, she is passionate about the importance of introducing foreign language to young minds.

Elisha Plumley
Media Specialist

Elisha Plumley is from Acworth, GA.  This is her 12th year serving as the Media Center Specialist with SBCA.  Her goal is to instill a love of reading and creative thinking to our preschoolers.