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Meet the Trustees

Ms. Gayle Sims

Phone: 972-291-1581


Degrees and Certifications:

Master's in Management from Dallas Baptist University
Bachelor of Liberal Arts from Kansas University


Board President


Trustee Since: 2017

Term Expiration: 2025

Bio: In 2000, Gayle Sims and her husband, Alan, moved to Cedar Hill from Kansas when he was hired as the city manager. That same year, she accepted a position with the city of Waxahachie as the director of human resources and civil service. In December 2016, after more than 30 years in human resources for public and private entities, she retired.

She serves on the Cedar Hill Community Development Commission and was previously a member of the Cedar Hill Education Foundation (CHEF). During her tenure at CHEF, she was elected vice president of administration and president.

Sims and her husband have four adult children and seven grandchildren. Sims believes a quality education is what every child deserves to reach their dreams. 

Dr. Denise Roache-Davis

Phone: 972-291-1581


Degrees and Certifications:

Ed.D. Education Leadership
Ed.S. Administration and Supervision
M.Ed. Guidance & Counseling
B.A. Elementary & Early Childhood Ed

Board Vice-President

Place: 4

Trustee since: 2020

Term expires: 2025

Bio: Trustee Roache-Davis is very familiar with Cedar Hill ISD as a Principal at five different CHISD campuses – both elementary and secondary - between 2002-2017.

Roache-Davis was the first principal at Lake Ridge Elementary when it opened its doors in 2002. She served there until 2007 when she became the Principal at Permenter Middle School, from 2007-2012. Roache-Davis then served as Principal of Bray Elementary (2012-2013), Bessie Coleman Middle School (2013-2014) and the Ninth Grade Center (2014-2017). In 2007, Roache-Davis was the CHISD Administrator of the Year.

Roache-Davis earned a doctorate in Educational Leadership from Nova Southeastern University in Florida and an education specialist degree from Nova University, also in Florida, in Administration and Supervision. Her Master’s Degree, from Florida Atlantic University, was in Guidance & Counseling. Roache-Davis earned a Bachelor’s Degree from Kentucky State University in Elementary and Early Childhood Education.

Prior to arriving at CHISD, Roache-Davis served as a principal in Fort Worth ISD and Palm Beach County, Florida. She worked in Palm Beach County, Florida schools as a teacher, guidance counselor, assistant principal and principal from 1978-1998. Roache-Davis began her career as a teacher at Booker T. Washington Elementary School in Lexington, Kentucky from 1976-1978.

Roache-Davis has served on multiple CHISD Committees, including the Elementary and Kindergarten Report Card Committees and the District Calendar Committee. She is involved in numerous Cedar Hill and Dallas organizations, including the Cedar Hill Lions Club.

Roache-Davis is a member of the Oak Cliff Bible Fellowship Church as well as an Education Committee Member at the church.

Mrs. Ramona Ross-Bacon

Phone: 972-291-1581


Bachelor's in Psychology from Saint Leo University

Associates in Liberal Arts from Saint Leo University

Associates in Substance Abuse Counseling & Social Work from Eastfield College

Board Secretary

Place: 3

Trustee Since: 2020

Term Expiration: 2025

Bio: Trustee Ross-Bacon has been very active in the Cedar Hill community. Ross-Bacon and her husband, Troy, are the proud parents of five sons, the youngest of whom, Thaddaeus, is a Cedar Hill Collegiate High School Class of 2015 Graduate.

Ross-Bacon served in several parent leadership organizations at Collegiate High School. She believes that collaboratively working with the parents, teachers, scholars, staff and administration is the key to making CHISD a premier educational system that will contribute to the city’s vitality.

Ross-Bacon is a retired US Navy Gulf War Combat Veteran. She began serving her country in 1984 as a Vertical Launch Missile and Missile System Specialist and retired from the military in 2002. She is a chapter officer for the Disabled American Veterans (DAV) Chapter 42.

Ross-Bacon has committed her career to working as a Substance Abuse, Co-Dependency and Career Counselor. She has a Bachelor of Arts in Psychology and an Associates of Liberal Arts, both from Saint Leo University in Florida. She has two Associates degrees from Eastfield College in Mesquite in Substance Abuse Counseling and Social Work, respectively. She has many certificates and endorsements from institutes of higher learning in the Virginia Beach area.

A founder and owner of “A Mother’s Love Preschool and Daycare”, Ross-Bacon developed a preschool readiness curriculum that set the academic foundation for scholars, before their entry into the public school system. She is also the founder of the Village Foundation Youth Initiative Inc., an organization that provides disability, educational and financial assistance. She is a member of the Oak Cliff Bible Fellowship Church. She is on the Veterans and Small Group Ministry at the Church.

Mr. Robert Riggs

Phone: 972-291-1581


Degrees and Certifications:

MBA in Operations Management from the University of Dallas
Master's in Christian Education from Dallas Theological Seminary
Bachelor's in Engineering from Texas A&M

Place: 6

Trustee Since: 2015

Term Expiration: 2024

Bio: Trustee Riggs has lived in the Best Southwest area for 25 years and for the last 11 years in Cedar Hill. Born in Liberal, Kansas, Mr. Riggs lived as a child in Bartlesville and Tulsa in Oklahoma before moving to Richardson, Texas where he completed middle school and high school. Mr. Riggs and his wife Patti have three sons: Ian, a 2013 graduate of Cedar Hill High School; Aaron, a 2017 CHHS graduate; and Ben, a 2019 CHHS graduate. For the past 15 years Riggs has worked in higher education administration at Dallas Theological Seminary. He currently serves on the elder board at Faith Bible Church of DeSoto and as a board member of a private foundation that provides scholarships to graduate students.

He believes that serving as a trustee is about teamwork, communication, and hard work, and for Cedar Hill to be the best community that it can be, our schools must educate each student to the highest level possible for that individual student.

"This can only be accomplished when each trustee listens to the issues and works together with fellow trustees to give the superintendent the resources and input he needs to be successful," Riggs said.

Ms. Cheryl Wesley

Phone: 972-291-1581


Degrees and Certifications:

M.Ed. East Texas State University


Board Trustee

Place: 7

Trustee Since: 2015

Term Expiration: 2024

Bio: Trustee Wesley is no stranger to CHISD or to the Cedar Hill community. A former district administrator and city resident of 30 years, she has collaborated with parents, educators, business owners and community leaders to support the success of all our students. A member of both the 2011 and 2012 committees to pass the bond package, she was later appointed to the Bond Oversight Committee before being elected as Board Trustee, Place 7.

Professionally, Trustee Wesley has been actively engaged in the social services field for decades. Although now “retired”, she is a volunteer and strong advocate for the healthy family unit.    

Married for over 30 years to Dr. Karry D. Wesley, they have three sons who attended Cedar Hill ISD. Their youngest Charles, graduated from CHHS in 2013; and the two oldest sons Christopher and Karl, graduated from Trinity Christian in 2007 and 2008 respectively.  

Trustee Wesley loves this district and believes that we are moving forward in our pursuit of academic excellence for all students. With the proper resources, genuine collaboration, hard work and prayer, the students of CHISD will receive the tools to be successful in academia and life.

Mrs. Carma Morgan

Phone: 972-291-1581


M.Ed in Educational Leadership Texas Woman's University

Bachelors in Sociology from Cameron University

Board Trustee

Place: 2

Trustee Since: 2022

Term Expiration: 2025

Bio: Cedar Hill ISD Trustee Carma Morgan has worked as an educator since 1997. She began as a Social Studies and Mathematics Teacher in Dallas ISD and became an administrator in Lancaster ISD. Morgan is currently an Instructional Coordinator in DeSoto ISD.

Morgan earned a Master’s Degree in Educational Leadership from Texas Woman’s University in Denton and a Bachelor’s Degree in Sociology with a minor in Mathematics from Cameron University in her hometown of Lawton, Oklahoma.

Morgan served honorably in the United States Air Force as a Dental Assistant for four years. She was stationed in North Dakota, Korea and Texas.

Morgan has lived in Cedar Hill since 2007 and is the proud parent of five daughters – two of whom graduated from Cedar Hill ISD and three of whom are current CHISD scholars.

Ms. Denishea Williams

Phone: 972-291-1581


Degrees and Certifications:

Bachelor's in Interdisciplinary Studies from The University of Texas at Arlington

Associate’s Degree from Dallas College

Board Trustee

Place: 5

Trustee Since: 2023

Term Expiration: 2025

Bio: Trustee Denishea Williams is a longtime Cedar Hill ISD PTA leader who recently served as the Council of PTAs President in Cedar Hill ISD. She is a wife, mother, advocate, community leader, entrepreneur and a lifetime Girl Scout.

She has a Bachelor’s Degree in Interdisciplinary Studies from The University of Texas at Arlington and an Associate’s Degree from Dallas College.

Professionally, Williams is a Mental Health Advocate and Speaker for SisStar Support Circle.

A Dallas native, Williams is proud of her efforts to increase parental involvement and volunteerism in Cedar Hill ISD. She’s collaborated with organizations such as the Texas PTA Advocacy Committee and Raise Your Hand Texas on a wide variety of educational topics.

Williams’ volunteer work includes the Texas Women Foundation, American Heart Association, Mom Congress and 20/20 Mom. She served as the President of Mocha Moms Inc., Dallas South Chapter.

Williams believes in serving others, and she finds the greatest joy in educating and empowering individuals and families.