Three Rivers ISD will be closed on Monday in observance of Memorial Day. We will then start Summer Hours on Tuesday from
7:00 a.m.-5:00 pm. (Closed on Fridays). If you have a pressing issue, contact (361)522-9681. Enjoy your Memorial Day holiday!
TRHS Graduation Ceremony this evening. Come help celebrate the Class of 2026 and get a good view of the new field!
Today is the Day! Senior Sunset 2026!
Today is the Day!!
Another memory from Western Day!
Patrick Roberts with Congresswoman Monica DeLeon's office visited Three Rivers High School on Thursday, May 21st to deliver awards to Gabbi Gaines and Xavion Carranza earned for participation in the Congressional Art Contest. Gabbi won third place and received a certificate from the congresswoman. Xavion received a letter of commendation for his finals appearance in the competition.
The Junior Class are now the reigning two-time Western Day Champions!
Here are your Tug-of-War Champions, The Freshmen!
Class of 2026 at Western Day!
Last Day of School (Thursday, May 21st, 2026). Make it a GREAT one!
Spring Band Concert is underway! (Director, Ms. Virginia Vela)
Lab supervisor, Kelly, and lab technicians, Brian, John and Gabe visited Three Rivers ISD today to deliver sensory bags for some of our students and an adaptive swing set for the Jr/Sr High Life Skills class. We are grateful for their dedication, as they continue partnering with our school, year after year, and for their generous donations to meet the sensory needs of our students. Thank you Valero Three Rivers Refinery!
Graduation Night Concessions Stand!
We appreciate Representative Guillen taking notice of our three UIL academic teams placing at State! Great things happening at Three Rivers ISD!
A Three Rivers Tradition!
STATE RUNNER-UP!
The computer science team was announced as the 2026 UIL 2A state runner up!
Diego Arvizu placed 5th individually!
This is the first computer science team to advance to state in school history! And with that first appearance, they placed second!
What a great state UIL meet for our mathematics, calculator applications, and computer science teams!!
🚨 STATE CHAMPIONS! 🚨
BACK-TO-BACK!
The TRHS UIL calculator applications team is the 2026 2A state champions!
This is the school’s third UIL state championship in calculator applications, with the first two in 2019 and 2025. The group has also won TMSCA state championships in 2024, 2025, and 2026.
Individual state medals include:
🥇 Osiel Rodriguez - Gold medalist and 2A individual state champion
🥈 Adrian Gaines - Silver medalist
🥉 Mario Alvarez - Bronze medalist
Jonathan Cruces- 4th place medalist
This team swept calculator applications! Also, this team set a record for the highest 2A team score in calculator applications UIL history.
Congratulations on an unbelievable season! And congratulations to the three seniors on these teams that set many school records and even a few UIL records!
🚨 STATE CHAMPIONS! 🚨
The TRHS UIL mathematics team is the 2026 2A state champions!
This is the school’s first UIL state championship in mathematics. The group has won TMSCA state championships in 2025 and 2026.
Also, the TRHS math team SWEPT the first four places. This is an extremely rare occurrence, especially at the state meet.
Individual state medals include:
🥇 Osiel Rodriguez - Gold medalist and 2A individual state champion
🥈 Mario Alvarez - Silver medalist
🥉 Jonathan Cruces - Bronze medalist
Adrian Gaines - 4th place medalist
Congratulations this year on a clean sweep at district, region, AND state!
The countdown to summer is on! TRISD will have early release all week.
THE BULLDOGS FINISH 4TH IN STATE! The Bulldogs’ 4x4 relay team finished 4th in the Class 2A State Finals with a final time of 3:24.36! We are TR proud! #WeRTR
