Officer Roberto Martinez is located at Ennis Junior High School.  Officer Martinez graduated from Lancaster High School, Navarro College with an Associate’s Degree in Criminal Justice and Navarro College Police Academy.  Officer Martinez began his law enforcement career in 2018 with the Ennis ISD Police Department.  Officer Martinez currently holds a Basic Peace Officer certificate and a School-Based Law Enforcement Officer certificate from Texas Commission on Law Enforcement.  Officer Martinez is also a trainer of the Standard Response Protocol.  Officer Martinez also serves the staff and students of Houston Elementary.