John Horn High School
3300 East Cartwright Road
Mesquite, Texas, 75181
Phone 972.882.5200
Fax 972.882.5292
Office Hours:
Monday through Friday
8 am - 4 pm
Summer Hours:
Monday through Thursday
7:30 am - 5 pm
SHAC
Title 1 Information
A copy of the Campus Improvement Plan is available for review in the school office upon request.
Our School
Dr. John Horn High School opened in 2000. Our 50-acre campus serves approximately 3,200 students in 9th - 12th grades. We serve the southern portion of Mesquite and the Mesquite ISD portion of Seagoville.
Our Feeder Pattern
2024-25 Horn High School Bell Schedule
| Class Period | Class Start | Class End |
|---|---|---|
| 1st/5th | 8:30 AM | 10:08 AM |
| 2nd/6th | 10:13 AM | 12:06 PM |
| 3rd/7th | 12:11 PM | 2:17 PM |
| A lunch | 12:11 PM | 12:41 PM |
| B lunch | 12:43 PM | 1:13 PM |
| C lunch | 1:15 PM | 1:45 PM |
| D lunch | 1:47 PM | 2:17 PM |
| 4th/8th | 2:22 PM | 4:00 PM |
Horn Administration
Deeadra Brown
Principal
William Ballard
High School Academic Dean
Karla Blackshear
Associate Principal
Maritza Diaz
Assistant Principal
Nicole Payne
Assistant Principal
Mark Simmonds
Assistant Principal
William Staats
Assistant Principal
Anthony Staton
Assistant Principal
Shanikwa Wallace
Assistant Principal
Mascot
Our Namesake
Dr. John Horn was a teacher, principal and administrator in Mesquite schools before moving to Allen as superintendent. He returned to Mesquite ISD as superintendent in 1986 where he served until his retirement in 2001. Dr. Horn was a visionary leader who was instrumental in Mesquite ISD becoming a recognized school district. He was selected as Superintendent of the Year in 1996 and provided state leadership service for numerous organizations and initiatives during his tenure as superintendent. In 1999, he received the coveted Golden Deeds Award from Texas A&M University.
Dr. Horn earned his bachelor's degree from East Texas State (Now Texas A&M Commerce) in 1963, and his master's degree from the same institution in 1966. He attained his doctoral degree from the University of North Texas in 1971.
Motto
Jags for Life
Official School Colors
