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Upcoming Events

Thu Feb 12

Early Dismissal for High School Only

all day

Fri Feb 13

Early Dismissal for All Students

all day

Mon Feb 16

No School - Presidents' Day

all day

Mon Mar 16

No School - Spring Break Begins

all day

Mon Mar 23

Return from Spring Break

all day

Fri Apr 3

No School - Good Friday (Staff Only - Inclement Weather Makeup Day, if needed)

all day

Mon Apr 6

No School - Professional Development

all day

Sat May 16

Staff Only - Inclement Weather Makeup Day, if needed

all day

Fri May 22

Last Day of School - Early Dismissal for All Students

all day

Fri May 22

KEYS High School Graduation

all day

News & Announcements

HEB ISD Schools Open on Thursday, January 29, 2026

January 28, 2026

HEB ISD Schools Closed on Wednesday, January 28, 2026

January 27, 2026

HEB ISD Schools Closed on Tuesday, January 27, 2026

January 25, 2026

HEB ISD Schools Closed on Monday, January 26, 2026

January 23, 2026

2026-2027 Transfer Application Window is January 12-March 13, 2026

December 10, 2025

By The Numbers

1968

Trinity High School Founded

Trinity band members cheering

2,706

Number of Students

Trinity students with flags from Mexico and other countries

young girl with headphones

97.8%

4-Year Graduation Rate

young woman graduate

#1

Best High School Pep Rallies