Campus Information
Year Open:
Bond Year:
School Mascot: Bears
School colors: Gold, Black
During his tenure at Northside ISD, Dr. Trimble was part of the inaugural administrative staff at Stevens High School and Brennan High School where he served as the assistant principal and vice principal, respectively.
Dr. Trimble attended Angelo State University where he earned his Bachelor of Science in Psychology/Criminal Justice and his Master of Education in School Administration. He earned his Ph.D. in Leadership Studies from Our Lady of the Lake University.
He believes quality education is a key component to success and looks forward to creating these opportunities at Brennan High School.
The Associate Principal also serves as the Campus Behavior Coordinator. They can be reached by email at joshua.hall@nisd.net or by phone at 210-398-1265.
Mr. Hall arrived at Northside ISD back in 2008. He enjoyed 9 years at Warren High School as a science teacher and soccer coach before moving to Stevens High School and spending 8 months as an administrator intern. Mr. Hall then worked at Marshall High School for 3 years as an Assistant Principal before moving again; this time to Brennan High School in his current role as Associate Principal. Prior to entering the education field, Mr. Hall served in the United States Air Force where he was an instructor at the Military Working Dog (K-9) school at Lackland AFB. Mr. Hall earned his Bachelor’s degree from American Military University, and his Master’s degrees from AMU and UTSA.
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Dr. Michelle CraigAcademic Dean
