Title: Brockton High School
Content:  As of 2020-2021, the school has approximately 17,456 students. The high school is 62.7% African American, 15.4% White, 2.3% Asian, 15.0% Hispanic, and 4.7% other. Out of its 4,046 students, 2,184 are male and 1,862 are female. Brockton High School, established in 1870, is a high school located in Brockton, Massachusetts. It is a part of Brockton Public Schools. As of 2016 Brockton High School, with 17,456 students, is one of the largest high schools in the United States and the largest high school in Massachusetts. Although widely stated by locals to be the largest high school east of the Mississippi River, this is in fact false, as this title is currently held by Brooklyn Technical High School in New York City. Brockton High School's colors are Black & Red and their mascot is the Boxers, which is a reference to the storied boxing history of the city, and also a tribute to hall-of-fame boxers Rocky Marciano and Marvin Hagler, who are both from Brockton and alumni of Brockton High School.
Title: Brock High School (Texas)
Content:  Brock High School is a public high school located in unincorporated Brock, Texas, United States and classified as a 3A school by the UIL. It is part of the Brock Independent School District located in north central Parker County. In 2015, the school was rated "Met Standard" by the Texas Education Agency.
Title: Brockton High School
Content:  The school's mascot is the Boxer. The actual mascot is a dog, but the name is a pun in reference to Rocky Marciano and Marvin Hagler, two famous boxers from Brockton. The stadium in which the Boxers' football, field hockey, soccer and outdoor track teams compete is named Rocky Marciano Stadium in honor of the legendary boxer. With a capacity of approximately 10,000 people, Marciano Stadium is one of the largest high school stadiums in Massachusetts and is one of the premier facilities in the state as well. The stadium also plays host to numerous Massachusetts high school football state playoff games, including the sectional and regional finals. The BHS baseball team plays at Campanelli Stadium, constructed in 2002, which also plays host to the amateur baseball team, the Brockton Rox, of the Futures Collegiate Baseball League. In 2012, a nearly 30-foot tall bronze statue of Rocky Marciano was erected outside the north end of the stadium as a tribute to the boxer.
Title: Brock High School (Texas)
Content: Football ; 2021(3A/D1) 
Title: Brookland High School
Content:  The Brookland High School mascot and athletic emblem is the bearcat with red and black serving as the school colors.
Title: Brock Independent School District
Content:  Brock has won 11 state titles overall in basketball: girls in 2002, 2003, 2005, 2009, 2010, 2011, 2012, and 2013 and boys in 2002, 2003, and 2015. Brock has since won a state championship in every sport offered; baseball, softball, volleyball, cross country, track, golf, and tennis. Until 2011 Brock was one of the few districts in Texas that did not participate in high school football. In 2011, Brock began playing football at the junior high level, and in 2012 began playing high school football at the junior varsity level; in 2014 the program became varsity level; and a year after, Brock football won state. In 2009, the school district was rated "recognized" by the Texas Education Agency.
Title: Breckenridge, Texas
Content:  The City of Breckenridge is served by the Breckenridge Independent School District. Breckenridge High School's mascot is a Buckaroo (a cowboy riding a bucking horse). The junior high school's mascot is a Bronco. The school colors are green and white. The Breckenridge High School football team of 1958, coached by Emory Bellard, was voted the Ft. Worth Star Telegram team of the century. The Buckaroos are undefeated in six Class 3A State Football Championships, winning four times in 1951, 1952, 1954, and 1958 with ties in 1929 and 1959. Breckenridge High School has also produced girls tennis state champions, girls golf state 
Title: Brocton, Illinois
Content:  Brocton had its own high school until 1952. The Brocton High School mascot was the "Purple Martins". In 1952, schools in Brocton and Redmon consolidated. Brocton-Redmon High School (mascot: "Blackhawks") continued in its place until 1968, when it merged with Young America High School in Metcalf to form Shiloh School.
Title: Brock High School (Texas)
Content:  The Brock Eagles compete in these sports - Cross Country, Volleyball, Football, Basketball, Powerlifting, Golf, Tennis, Track, Softball & Baseball
Title: Brock High School (Ontario)
Content:  The school was based on designs by Shore & Moffat Architects, and was constructed in 1952. Classes began in 1953. The school has experienced four major architectural expansions to cater to the growing needs of the rural communities it serves.

Question: Verify the following claims with "True" or "False": Brock High School used to have a mascot!
Answer: True