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4731 Highway 15 South Post Office Box 109 Siloam, Georgia 30665



Mr. Robert Bradley


Mr. Bradley is a native of Greene County and is well known in the community. Bradley holds a Master of Education in Administration. He has a background of teaching both in public and private schools, and has worked with Georgia College and State University.


Mrs. Deborah Moore

Administrative Assistant

The 2015-2016 school year will be her 27th year at NGA. The first 5 years she worked as an aide in the preschool. She has worked as the Administrative Assistant in the office since 1994. She lives in White Plains with her husband, Frank. They have two sons, Russ and Steven. She enjoys reading, traveling and spending time with her two grandchildren, Will and Darby Kate.


Mrs. Susan Lindsey

Financial Manager

Nathanael Greene Academy holds a special place in her heart. She became a student the second year after the school was founded. She is a 1976 graduate of NGA and both her children are graduates. Her son, Elliott, is from the class of 2001 and her daughter, Brooke, is from the class of 2004. She has been employed at NGA for 25 years and dearly loves her school. She lives in Union Point with her husband, Dee.





Mrs. Tammy Johnson

Pre School ParaPro/Lunchroom/Custodian



Mr. Chaz Lawson

High School and Middle School History Teacher

Mr. Edward Bradley

Athletic Director & P.E. Teacher

Coach Edward Bradley, an alumnus ofNathanael Greene Academygraduated from the University of Georgia in2001 with a degree in Health and Physical Education. With continued education, he became a Strength and Conditioning Specialist. Coach Bradley is the NGA Athletic Director, Head Varsity Football Coach, Head Track Coach, Physical Education and Health teacher, as well as Strength and Conditioning Director for all Varsity sports. The 2015-2016 year is Coach Bradley’s first year with Nathanael Greene Academy. Coach Bradley, his wife Natalie, and their daughter Reese are in their first year at Nathanael Greene Academy.


Mr. Joseph Pollock

High School Math and Science

Owning thirteen years of formal teaching experience as an Upper / Middle School Science and Mathematics educator in the private sector, Mr. Joseph Pollock has taught a total of seven years at Nathanael Greene Academy.  Mr. Pollock graduated valedictorian from Kennedy Christian High School in Pennsylvania, obtained an Associate Degree in Health Science, and earned a Bachelor of Science Summa Cum Laude in Biology and Chemistry at Youngstown State University. Joseph holds a license with the American Registry of Radiologic Technologists and membership with the American Chemical Society. Mr. Joe enjoys bass fishing on Lake Murray in South Carolina and watching ice hockey – Go Penguins! He currently attends Chapin United Methodist Church.


Mr. Ralph Boswell

Bible Teacher & FCA Director

Ralph Boswell graduated from NGA in 1987. He is married to Heather and has four children, Eli, Jeb, Mattie, and Josh. He is a structural engineer and currently owns and operates a local consulting engineering firm. Ralph enjoys life, his marriage and family, and helping lead NGA students toward a relationship with their Savior and friend, Jesus.


Mrs. Cynthia Mixon

Elementary School Language Arts Teachers

Mrs. Mixon taught 31 years in the Putnam County School System and was the Assistant Headmaster of Redeemer Episcopal Academy  on Lake Oconee for 3 years.  In addition, she has been a part-time professor of Early Childhood Education for Central Georgia Technical College in Milledgeville since 2003.  Her education consists of an Elementary Education Degree from Valdosta State University, a Master of Education Degree from Georgia College and State University, and a Specialist’s of Education Degree from Georgia College and State University.  In addition, she has received extensive teacher training in the teaching of Reading from Columbus State University in Columbus, Georgia.  She is thrilled she has the remarkable opportunity to be a Patriot along with her grandson, Westin Webb, here at NGA.


Mrs. Danielle Williams

Elementary ParaPro Teacher

Danielle Williams began her NGA career in the fall of 2011, as the Cafeteria Manager. She has 10 years’ experience working as an Admissions Coordinator for a hospital in Gwinnett County. She also managed the Education Department, while she worked for the hospital. She is married to Chris Williams, a Gwinnett County Firefighter. They have two children, Zander and Marisa, they are currently attending NGA. Danielle absolutely loves working with the students at NGA.


Mrs. Diana Crumbley

Elementary ParaPro Teacher

Mrs. Heather Boswell

High School English Teacher

Heather Boswell teaches high school English and Bible. She is married to Ralph Boswell and has four children. She loves being a wife and a mother more than anything else in the world. She has experience teaching grades 8-12 in English, as well as hosting K-12 grade character education classes in all seven Greene County schools. Heather enjoys working with teenagers and feels especially called to teach at Nathanael Greene Academy.


Mrs. Jane Morgan

Business Ed & Computer Teacher

Jane Bryan Morgan joined the faculty of NGA in the fall of 1983. She received her Bachelor of Science degree in Business Education from Georgia College in Milledgeville, Georgia. She is the sponsor of the Senior class and the Beta Club. She is married to Charles Morgan, an alumni Class of 1981. They have one son, Craig, who is an alumni Class of 2005. Jane is a member of Mt. Stephens Baptist Church where she serves as an adult Sunday school teacher and treasurer. She loves her students and NGA!


Mrs. Maricel Mattei

Spanish Teacher

Mrs. Mattei is a native Spanish-Speaker born and raised in Ponce, Puerto Rico. She joined the NGA family in 2008 when she, besides teaching Spanish, also taught Carriers to middle school and high school. She graduated from Catholic University of PR with a Bachelors degree in Business with a minor in Education. Before becoming a teacher, she worked for many years in the administration field of US pharmaceutical companies established in PR. She moved to Greene county from Oviedo, FL in the year 2005 when she became an interpreter for the Good Samaritan Clinic and at the same time an Advocate and interpreter at the First Call Pregnancy Center both in Greensboro. This is her 8th school year with NGA. Mrs. Mattei feels NGA is her family away from home, she has learned to love and care for the NGA family who have so lovingly welcomed her. She is very proud of her only son Robbie who is a US Marine and who has served in Japan and Iraq. She lives in Greensboro with her husband Roberto. She loves to teach Spanish!



Mrs. Mary Helen Brewer

Middle School Language Arts Teacher

Mary Helen Higdon Brewer is a 2003 alumni of Nathanael Greene Academy. She holds a Master of Human Services Christian Counseling. She is married to Nick, who has served in the military for over sixteen years. They have two small children, Grayson (Kindergarten) and Bowen (2 months old). She joined the NGA teaching family in January of 2016 and is thrilled to be HOME! GO Patriots!


Mrs. Myra Stewart

Elementary School Teacher

Myra Stewart is an Elementary Teacher at NGA. She graduated in 1987 from Georgia College with a Bachelor of Science degree in Sociology. She joined the staff of Nathanael Greene Academy in 2005. She has worked in both preschool and elementary during these years. She is married to Ken Stewart, a 1983 NGA graduate. She has two sons, Tyler (12th grade) and Cole (7th grade).


Mrs. Nancy Long

Middle School Math, Counselor & Fine Arts

Nancy Long teaches Middle School Math, is the School Counselor and Fine Arts Director. She grew up in Macon, Georgia then attended the University of North Carolina at Chapel Hill where she received her BA in Journalism and Political Science. She is married to Dr. James Long, pastor of Grace Fellowship of Greensboro. They have two children who both graduated from NGA, Jackie (2009) and Jay (2012).


Mrs. Natalie Bradley

Middle School Language Arts, Yearbook, and Fine Arts

After graduating from the University of Georgia with a Bachelor of Science in Education (specializing in Communication Sciences and Disorders), Natalie Bradley chose to pursue a career in event planning and design. Less than a year after graduating, Mrs. Natalie opened her first company in Athens, planning and designing weddings throughout the Southeast. In 2008, after the birth of her daughter Reese, Natalie opened a second company so that she could stay home more with her family. This was an internet-based company in which Bradley taught over 20,000 professionals how to market and improve their small businesses. After thirteen years of being a business owner, Natalie felt like God was calling her to a new career in service to others, specifically to Nathanael Greene Academy. In July of 2015, she made the decision to no longer take on weddings and leave those businesses behind to follow God’s call. The 2015-2016 school year was Natalie Bradley’s first year teaching and has been one of the most rewarding experiences of her life. Natalie still owns a company with her husband (NGA’s Athletic Director) Coach Edward Bradley, making and selling various arts and crafts, furniture, and home decor.


Mrs. Patti Dowdy

Preschool Teacher

Patti Dowdy teaches Kindergarten at NGA. She is married to NGA Alumni Marty Dowdy and they have two children who are both NGA Alumni, Daniel (2007) and Libby (2012). Patti received her Bachelor of Science degree from Georgia College in Milledgeville, Georgia and her Masters in Education from The University of Georgia in Athens, Go Dawgs! Patti is a member of Greensboro First Baptist Church where she enjoys working with children’s ministries.


Mrs. Paula Stewart

Elementary Art & Music Teacher

Miss Paula graduated from the University of Georgia with a B.S. in Education and has taught at NGA for over 25 years – four year preschool, elementary music and art, high school literary, and the spring musical are all areas that she has worked with and continue to do so. She lives in Crawfordville with her husband Chuck. Her four daughters ( three teachers and one attorney) all graduated from NGA and continue to be blessed by the experiences that they received while here. She has loved working with the amazing faculty at NGA, and She is thrilled to do her part in helping to educate NGA precious students.



Mrs. Sonia Garner

Preschool Teacher