The choirs performed with the Tesoro bands and orchestra in a concert celebrating their selection as a 2015 Grammy Signature School. Out of 25,000 public high schools, only five were selected as Signature Schools of Excellence. The music department received a $2,500 prize for this honor.
- Senior Eve DeVault chosen as Orange County Register Artist of the Year for Vocal Music
- Mr. Hancock chosen as a finalist for the Global Teacher Prize
- Three Tesoro sopranos make All-State Choir
- Tesoro Madrigals share the Hollywood Bowl stage with Jason Mraz, Sara Bareilles, and Colbie Caillat!
- Tesoro Choral Director named Grammy Music Educator of the Year