William J. Brennan High School is one of 12 Comprehensive High Schools in Northside Independent School District located in Northwest San Antonio. NISD is one of the largest school districts in the state of Texas, consisting of 125 schools and serving over 100,000 students each day. While NISD is very large, it maintains a focus on fine arts and has earned the distinction as one of the NAMM Foundation's ‘Best Communities for Music Education.”
Since opening in 2010, The Brennan High School Band has become one of the premier band programs in San Antonio as well as the State of Texas by developing a strong tradition of excellence within the program. The Brennan Band program consists of a variety of ensemble and programs, offering students the opportunity to participate in marching band, multiple concert bands, symphonic orchestra, jazz ensemble, colorguard, winterguard, chamber ensembles and AP music theory courses. From these ensembles and offerings, the program produces multiple students each year who earn the distinction of a TMEA All-State Musician, performing with the various TMEA All-State Ensembles.
The Brennan Band program has been a TMEA Region 11 Honor Band, TMEA Region 29 Honor Band, Area H Honor Band Finalist, Area H Marching Band Finalist, US Bands Champion, UIL State Marching Band Contest Participant and Percussive Arts Society Featured Ensemble. The program has also been selected for the Music For All National Festival four times, in three different categories - Once as a Featured Percussion Ensemble, once as a Featured Chamber Ensemble (Flute Choir) and twice as a National Festival Featured Band (Wind Ensemble).