Our Faculty and Staff
Mary Immaculate is blessed with a highly qualified, fully certified staff that is committed to Catholic education. Our low teacher turnover provides a secure and stable environment. To email an MIS employee, click their name or use their first initial, full last name @mischool.org. (Ex: Rupert Smith rsmith@mischool.org)
Sister Mary Anne, O. P., Principal
Sister Mary Anne holds degrees from Christendom College (BA), Northwestern State University (M Ed) and the University of Memphis (PhD). She also has credits from Texas A&M and Franciscan University (Steubenville). Sister was raised with her six brothers on a sheep and goat ranch in Southwest Texas.
The Catholic Foundation presents “Work of Heart” awards to unsung heroes in Catholic education. Click the logo above for details.
Patricia Arnold, 5th Grade
Mrs. Arnold is a graduate of the University of Dallas and has been teaching intermediate students here since 2018.
Noreen Bridgeman, Music
Nadia Buckles, 3rd Grade
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Miss Buckles is a graduate of the University of Oklahoma with a double major in Astrophysics and Mathematics.
Cecilia Burgin, Extended Day Program
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Mrs. Burgin began teaching Spanish to our students in 2004. She is a graduate of Boston College. All of her children attended MIS.
Linda Coffin, Assistant Principal
Mrs. Coffin began working with us in 1986 and remained because of the strong sense of family / community. Her three children are all graduates of MIS. She is a graduate of the University of Notre Dame.
Athena Crockett, MS, MEd, LPC, Counselor, Student Support Services
Mrs. Crockett earned her degrees from the University of North Texas (MS, MEd, LPC). She serves the MIS family as a counselor and Coordinator of Student Support Services. Six of her siblings attended MIS. She began working with us in 2019.
Paula Echeverry, Secretary
Mrs. Echeverry loves coming to work every day because the children bring such joy! A parent of two MIS grads (2009, 2011), Mrs. Echeverry began working here in 2002. She attended The Boyd School in Pittsburgh, PA.
Teresa Flores, 6th Grade
Ms. Flores attended MIS from K-4th grade. She graduated from Texas Woman’s University and returned to MIS in 2017 because of the strong family culture here.
Sarah Fraler, Pre-K
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Mrs. Fraler began working at MIS in 2020 and loves the sense of community and diversity here. She holds a BA from SMU and is pursuing her M.Ed at the University of Texas, Tyler. One of her children is enrolled with us.
Monica Galicia, PK Aide
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Ms. Galicia is excited to share her faith with little ones. She holds a degree in Business Administration and an Associates Degree.
Debbie Gambrel, Physical Education
Mrs. Gambrel, a graduate of Texas State University, began teaching at MIS in 1999. All four of her children and her husband are MIS graduates! She is passionate about MIS and Physical Education.
Jacklyn Graham, Junior High Science
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Ms. Graham attended MIS and holds a BA in Sociology and an MS in Curriculum and Instruction. She has a daughter enrolled at MIS.
Rose Harrelson, Kindergarten Department Head
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Mrs. Harrelson first came to MIS as a kindergartner - and that’s what she’s been teaching since 2001! All of her children are MIS graduates. She is a graduate of Stephen F. Austin State University.
Sister Annunciata Hawley, O.P., Catechesis of the Good Shepherd
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Sister Annunciata is originally from Albuquerque and holds degrees from Belmont (BA), the University of Southern Mississippi (MA) and Franciscan University at Steubenville (MA).
Michele Hollingsworth, Pre-K
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Mrs. Hollingsworth has taught pre-k for over 20 years. She’s also taught at St. Thomas Aquinas School.
Anne Holubec, 2nd Grade
Mrs. Holubec’s parents were among the first couples married at Mary Immaculate Church in what is today the Art Room / Science Lab. She is a graduate of Texas A&M and began working at MIS in 2016.
Cathy Huffman, 7th Grade
Mrs. Huffman began teaching junior high here in 2010 but she’s been here since 1965! Her three sons and two brothers are graduates of MIS. She is a graduate of Texas Tech.
Sandy Hughes, Safe Environment & Administrative Assistant
A graduate of UNT, Mrs. Hughes has been part of the MIS community for 20+ years as a parent, substitute, history teacher track coach, administrative assistant, and more. Her three children graduated from MIS.
Fletcher Kerr, Athletics Director
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Coach Kerr graduated from MIS in 2011 and holds a BA from LSU. He is is pursuing a coaching certificate from Tulane University.
Martha Lamberti, Content Mastery
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Sister Sophia Lopez, O.P., 6th-8th Grade Religion
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Sister Sophia is a graduate of Providence College and has been at MIS since 2019. She loves the authentic joy and genuine desire for truth that our students have. She is grateful for the warm welcome given to the Sisters.
Sandra Loshelder, Technology Teacher, Instructional Technologist
Mrs. Loshelder joined the MIS team in 2011 and is passionate about helping students understand technology. Her three children are all MIS graduates. Mrs. Loshelder is a graduate of Texas A&M.
Stefanie Martinez, PK Aide
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An alumni of MIS, Mrs. Martinez holds a degree from the University of Texas at Dallas. She has two children enrolled.
Marissa Mayfield, 4th-8th Drama, Public Speaking
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Mrs. Mayfield began working at MIS in 2016. Her daughter is a graduate. She holds a degree from the University of Kentucky.
Sherry McCord, Primary Department Head, 3rd Grade
Mrs. McCord and her three children are all proud graduates of MIS. She loves working here so much that she’s been here since 1990! She is a graduate of the University of North Texas.
Rosemary McMahon, Kindergarten Aide
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Ms. McMahon has been at MIS since 1989. All of her boys attended and graduated here. Originally from Ireland, she makes the best soda bread!
Lisa Meenan, 4th Grade
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Mrs. Meenan has been teaching primary and intermediate with us since 2015. She is a graduate of Baylor University and loves the community and faculty here. Two of her children graduated from MIS.
Kimberly Murawski, M. Ed., 8th Grade
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Ms. Murawski is a graduate of MIS as are all of her siblings. Her mother and one of her sisters have also taught here. She joined our faculty in 2009. Both her undergraduate and master’s degrees are from Texas A&M.
Daria Murphy, Content Mastery & 1st - 6th Grade Art
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Ms. Murphy has been teaching for 20+ years and is trained in reading recovery. She joined the MIS family in 2020.
Veronica Navarro, 6th Grade
Mrs. Navarro joined the MIS faculty in 2015 and loves how everyone feels like family - teachers, parents, students and the parish. She earned her degree from UTD.
Clare O’Brien, 2nd Grade
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Ms. O’Brien recently graduated from the University of Dallas with a BA in Elementary Education.
Kim Pfaffenberger, Intermediate Department Head, 5th Grade
Mrs. Pfaffenberger earned her BA in Math at the University of Texas at Arlington. She’s taught 33 years; 13 of those years have been at MIS. Three of their sons are MIS graduates.
Santiago Ponce, Facilities & Maintenance
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Gaby Preston, Admissions Director
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Ms. Preston is an alumni of MIS and a recent graduate of the University of the Incarnate Word in San Antonio.
Anthony Pulido, Business Enrichment Coordinator
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Mr. Pulido holds an MBA from the University of Dallas and has taught at UD and Rice. His daughter is enrolled at MIS.
Norma Rendon, Content Mastery
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Suzanne Robertson, Content Mastery
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Ms. Robertson is a recent graduate from the University of Dallas.
Leannette Rullan, Spanish 6-8, Kindergarten Aide
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Señora Rullan, originally from Puerto Rico, lives in Coppell with her family.
Sarah Sabo, Pre-KB
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Mrs. Sabo holds a BA and an MA from the University of St. Elizabeth and has experience teaching several grade levels. She has three students enrolled at MIS.
Karen Saldana, Librarian
Mrs. Saldana has been a familiar face at MIS in the classroom and library since 1982. She is a graduate of St. Mary College in Kansas. All four of her children are graduates of MIS.
Kassidy Sanders, Development Director
Sandy Schluterman, RN, School Nurse
Nurse Sandy has been a pediatric nurse since 1981 and has been at MIS since 2000. She loves children and our MIS family. Both of her boys attended MIS. She earned her nursing degree from Truman State.
Patti Stenson, 5-8 Art
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Debbie Smith, MEd, CALT, LDT, Content Mastery
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A Licensed Dyslexia Therapist and graduate of NTU, Mrs. Smith is certified in early childhood, elementary secondary and special education, Literacy, Reading and more. All her children attended MIS and her grandchildren are currently enrolled.
Therese Stephens, 4th Grade
Mrs. Stephens earned her degree from Texas A&M Commerce (East Texas State) University. She joined the MIS faculty in 2020 and loves the welcoming environment we have. She grew up attending school in the Dallas Diocese.
Ramon Vargas, Facilities & Maintenance Coordinator
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Thelma Watts-Glasgow, 8th Grade
Mrs. Glasgow is a graduate of the University of Dallas. She has been teaching junior high here since 1984. She loves MIS because of the solid faith community between staff, students and parents.
Laura White, Content Mastery
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Mrs. White is a proud MIS graduate, as are her three children! She has been teaching primary students here since 2012 and loves the staff and families. She is a graduate of the University of North Texas.
Sue Wunderlick, 1st Grade
Mrs. Wunderlick taught briefly at MIS immediately after graduating from Stephen F. Austin. Her impression of the school as a recent graduate was that this is what a school community should be. As s result, she returned in 1997.
Susana Zinser, PK-5th Grade Spanish
Affectionately called Señora Susy, Mrs. Zinser has shared her culture and Catholic traditions with us since 2008 as our K-4 Spanish teacher. She is a graduate of Universidad de Guadalajara – México.
