Don Bosco Technical Institute (Bosco Tech) was established as a high school in 1954 through the cooperative efforts of the Roman Catholic Archdiocese of Los Angeles, the Salesian Society, as well as industrial and business leaders of the Greater Los Angeles Area.

[10] The school is located in the San Gabriel Valley, 10 miles (16 km) east of downtown Los Angeles, just north of the Pomona Freeway (SR 60) in the city of Rosemead, California.

Bosco Tech offers 6 Honors and 16 Advanced Placement (AP) classes[11] from freshman to senior year.

[14] The Athletic Program at Bosco Tech consists of: Since the opening of the school, it has offered a variety of diverse student organizations and clubs, including:[15][16] The school has been recognized for its renowned debate team, which has competed and placed successfully in local and national debate tournaments, even though mainly composed of underclassmen.

For the first time in the school's history, it sent a Public Forum Debate Team to the National Championships held in June 2008 in Las Vegas, Nevada.

Despite its relatively small size, the marching band and the auxiliary units have scored high points in their division and have even received sweepstakes.

Its trademark cannon, made on the school premises, was fired and pulled by two students in front of the band during band reviews and parades in various Southern California cities, such as Arcadia, Temple City, Long Beach, Montebello, Azusa and San Francisco.

The band has also appeared in the Los Angeles County Fair, a University of Southern California football game,[18] the California 500 Speedway in Ontario, Disneyland's "America on Parade", Dodger Stadium, San Francisco's Columbus Day Parade, the Hawaii Invitational Music Festival, the Kennedy Space Center, Sea World San Diego and Universal Studios Florida.

The pinnacle of their marching season was their performance in the Rose Parade, highlighting their dedication and musical excellence.