Meet the Management Team
Ms. Debra Orr
Head of School
Ms. Orr has worked in education for more than 30 years. She started in the Dekalb County public school system and later moved to St. Pius X Catholic High School, where she worked as a teacher, Learning Specialist and administrator. In 2000, Ms. Orr was hired as an Assistant Principal and helped open Blessed Trinity Catholic High School in Roswell. Later, she was recruited to launch Pinecrest Academy’s High School. In 2005, following approval from the Archdiocese of Atlanta, Ms. Orr founded and opened Notre Dame Academy as an independent Catholic School where she remains as Head of School. Ms. Orr has a Masters Degree as a Reading Specialist from Georgia State and Post Graduate work in Education Leadership at the University of Georgia.
She has served on numerous accreditation visit teams including those at Pinecrest Academy, Immaculate Heart of Mary Catholic School and St. Patrick’s in Norfolk, Virginia. Ms. Orr is a graduate of Leadership Gwinnett and is actively involved with numerous organizations including SAIS-SACS, AAAIS, and IBO. She is currently on the Board of Trustees for Cristo Rey Atlanta Jesuit High School, and serves as a Board member of the Georgia Independent Schools Association (GISA). Ms. Orr was recently awarded the prestigious Klingenstien Heads Program Fellowship at Columbia University.
Mr. Bill Cahill
Mr. Cahill joined Notre Dame Academy as the Athletic Director on July 1, 2017. Prior to this, Mr. Cahill worked in education as a teacher, coach, and administrator in North Dakota for 39 years. During that time, Mr. Cahill's teams were in the playoffs 21 times with four appearances in the state championship game in football. He was state Coach of the Year three times and North Dakota's nominee for National Coach of the Year twice. He was North Dakota Athletic Director of the Year twice and a national nominee twice. He is a past President of the North Dakota Coaches Association and three times was listed in Who's Who Among America's Teachers. The past four years he has been an assistant coach at St. Francis and Notre Dame Academy. Mr. Cahill is a native of upstate New York and has a Bachelor of Science degree from Valley City State University in Valley City, North Dakota.
Mr. Reilly Campbell
Director of Operations
Mrs. Sharon Colletta
Principal, Early Years Campus
Mrs. Julia Derucki
Principal, Lower and Middle School
Mrs. Derucki has spent 23 years teaching and working exclusively in Catholic schools in Indiana, Florida, and Georgia. She has taught 2nd-8th Grade, with 11 consecutive years teaching 4th grade. She also served in administrative positions, including Dean of Students at a K-8th inner-city school and Dean of Academics. Mrs. Derucki piloted the ND Academy 8th Grade Annual “International Trip” and has traveled with the students to Japan, Italy, France, Spain, and Ireland. She is a member of the NCE, Association for Supervision and Curriculum Development, and was nominated by parents for both the Atlanta Journal and Constitution (AJC) Teacher of the Year in 2002 and Disney’s Teacher of the Year in 2003. She has a Bachelor of Science in Education from Ball State University, graduate courses in Educational Leadership from Indiana University-Purdue University Institute, and a Master of Science in Education with honors from Spring Hill College, Mobile, AL.
Mrs. Melissa Hardegree
Director of Advancement
Mr. Ken Lemons
Director of Educational Technology
Mr. Lemons joined Notre Dame Academy in 2011 as the Education Technology Coordinator. Prior to Notre Dame Academy, Ken spent eight years with Black and Veatch Special Projects Corporation where he worked as an Environmental Engineer and Computer Network Administrator (Atlanta, GA), and three years with the University of Virginia where he worked as an Information Technology Specialist (Charlottesville, VA). Ken holds a Master of Science in Technology and Science Policy, a Master of Science in Environmental Engineering, and a Bachelor of Electrical Engineering, all from the Georgia Institute of Technology. He is a registered professional engineer in Georgia.
Ms. Nadia Murray
Director of Finance
Ms. Murray joins Notre Dame Academy as the Senior Accountant. Her prior experience includes serving as the Director of Finance & Operations at a Quaker school in Newton Square, Pennsylvania. Ms. Murray has over eleven years of experience in the business office at a school that serviced students with learning differences. Ms. Murray earned her undergraduate degree in political science from Swarthmore College in Pennsylvania. She completed her Masters in Business Administration at West Chester University.
Mr. John Henry Spann
Principal, Upper School
Mr. Spann attended Southern Catholic College for three years and completed a BA in History at Franciscan University in Steubenville, Ohio. After working as a firefighter, he moved to Atlanta and began his career as a Social Studies teacher at Holy Spirit Preparatory school, eventually becoming a House Master. After receiving his M.Ed. in Independent and Charter School Leadership from Mercer University, Mr. Spann joined Notre Dame Academy as a member of its inaugural Upper School faculty, teaching, and managing student activities from the EYC thru the Upper School. In May of 2016, he completed his Master’s of Theological Studies from Holy Spirit College. Mr. Spann is passionate about Catholic education, focusing his cumulative master's research project on formulating an authentically Catholic philosophy of education.
Mrs. Stacy Stanford
Director of Enrollment and Financial Aid