24-hour Security dispatch
972-494-8911

Security email
asksecurity@garlandisd.net

Mark Quinn
Director of Security
972-487-4111
972-494-8911

Thomas Head
Security Coordinator (Systems)
972-487-4259
972-494-8911

GISD Facilities
972-494-8780

GISD Energy Management
972-494-8351

GISD Maintenance
972-494-8351

Police/Fire Emergency 
Garland - 972-272-4565 
Rowlett - 972-412-6201
Sachse - 972-495-2005

Child Abuse Hotline
214-951-7902

Dallas Children’s Advocacy Center
214-818-2600

Poison Control
1-800-222-1222

National Suicide Prevention Lifeline
1-800-273-8255

Crimestoppers
To submit a tip for a crime that happened in the city of Garland:
Garland Crimestoppers
1-972-272-8477

To submit a tip for a crime that happened within Dallas, Collin, Grayson Counties:
North Texas Crimestoppers
1-877-373-8477