Brockton High School 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. When Brockton High was established, it could house only 125 students. As the population of Brockton grew, there was increasing demand for a larger building. In 1906, a new high school was constructed, consisting of an "A" building and a "B" building. By the 1960s, student numbers exceeded capacity, causing split sessions; upper classmen and sophomores attended school at different times of the
Brockton, Massachusetts and 14.5% of the population were below the poverty line, including 19.4% of those under age 18 and 12.6% of those age 65 or over. Statistically, Brockton is the most populous and most densely populated community in Plymouth County. It is the sixth largest community in the commonwealth, the largest of the sub-100,000 person cities. However, it is only the twenty-seventh most densely populated community in the Commonwealth. Data is from the 2009-2013 American Community Survey 5-Year Estimates. On the national level, Brockton is a part of Massachusetts's 8th congressional district, and has been represented since 2001 by Stephen Lynch.