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June 9, 2015
Granbury ISD school board trustees approved three major staff appointments to fill district and campus administrative positions during regular monthly school board meeting on June 8, 2015.
Assistant Superintendent for Administrative Services
Ron Holmgreen, principal of Crossland Ninth Grade Center, will become assistant superintendent for administrative services.
Ron Holmgreen Ron has done a great job since coming to GISD. He has quickly gained the trust and respect of our administrative team as well as his staff and students at Crossland,” said superintendent Dr. James Largent. “He will be a great fit for the assistant superintendent position, and I look forward to the strengths and additional support he will bring to all the campuses and departments in GISD.”
He came to Granbury in 2013 to lead the freshman campus, after serving as lead assistant principal at Vista Ridge High School in Leander for five years.
Holmgreen began his educational career in 1996 as a teen leadership teacher and junior varsity baseball and freshman football coach at Duncanville Ninth Grade Center. He later taught government and coached baseball, basketball, and football at Leander High School for five years, moving to Vista Ridge in 2003 as the head baseball coach and social studies teacher.
He received a bachelor’s degree in criminal justice from Stephen F. Austin State University in 1992 and later earned a master’s degree in educational administration from Lamar University in 2009.
Holmgreen and his wife, Andee, have three children who attend Granbury schools. He has been active in the community as a volunteer with several youth organizations.
He will replace Carol Howard, who is retiring after six years in the position. At Crossland, assistant principal Ammie Hill will serve as the lead administrator as the ninth grade center has its final year as a stand-alone campus. Holmgreen will work closely with the campus staff to ensure a smooth school year. Freshmen will be moving to Granbury High School beginning with the 2016-17 school year.
Principal of Brawner Intermediate School
Jincy Ross, assistant principal at Granbury Middle School, will become the principal of Brawner Intermediate School.
Jincy Ross “Jincy has had a wide variety of experiences in all levels of education throughout her career.   She has been a teacher, a counselor, and an assistant principal, so she brings a wealth of knowledge and experience to the job,” said Largent. “The staff and students at Brawner are phenomenal, and I know Jincy is very excited to be named the new leader of this great campus.”
Ross began her educational career in 1997 as a band director in Coahoma, teaching both high school and middle school bands as well as fifth grade music classes. She moved to Colorado City in 1999 as high school and middle school band director. While still leading the bands, Ross simultaneously served as counselor at Hutchison Elementary School, an intermediate campus serving students in grades 3-5. She also served as interim principal while an administrator was on medical leave. During her last four years in that district, she was counselor at Colorado High School from 2006-2010.
Ross came to GMS in 2010, serving one year as parent and community liaison and another year as counselor before moving into her current position in 2012.
Originally from Fort Stockton, Ross received a bachelor’s degree in music education from McMurry University in 1996 and later earned a master’s degree in school guidance and counseling from Angelo State University in 2005.
Ross's husband, Jeremy, is also in campus administration, serving as principal of Granbury High School. The couple has two sons attending GISD schools.
She will succeed Stacie Brown, who is moving to Mambrino School after leading the Brawner campus since 2009.
Principal of STARS Accelerated High School/Behavior Transition Center
Ginna Marks, assistant principal at Bandera High School, will be the principal of STARS Accelerated High School and the Behavior Transition Center.
Ginna Marks “Ginna really stood out to our entire interview team as someone who has the necessary leadership skills and experience to take our STARS/BTC campus to new heights,” commented Largent. “I know Ginna wants to listen to the campus staff and visit with our administrative team to develop a concise vision for these two programs. We are happy to have her join our GISD team.”
Marks began her educational career in 1993 providing reading remediation and establishing a peer assistance and leadership program at Irving Nimitz High School. She later taught English and language arts at Crowley High School and Grandview Junior High School. In 2002, she became an educational diagnostician and worked in Cedar Hill, for a Johnson County cooperative based in Rio Vista, in Medina, and at Kerrville Tivy High School. In Medina, she also served as special education director.
She received a bachelor’s degree in English from University of Texas at Arlington in 1992 and later earned a master’s degree in curriculum and instruction from Tarleton State University in 2004.
An alternative academic high school that is part of GISD, STARS provides an optional setting with flexibility and personalized self-paced courses for high school students whose needs are not met in the traditional school. The acronym stands for Self-Motivated Teens Achieving Responsibility and Success. Almost one thousand students have graduated from STARS since its founding in 1994.
BTC is the district’s District Alternative Education Program to provide an opportunity for students who have been removed from a regular educational setting to achieve academically, to learn behavioral and interpersonal skills, and to develop the self-control necessary for them to function more effectively both as students and as members of this community.
Marks will replace Edwin Young, who is retiring after leading STARS since 2006 and BTC since 2013.

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