[3] Parkland High School was formed in 1949 when North Whitehall Township and South Whitehall Township merged to create Parkland Union School District.

[6][7] In April 2012, the online news outlet HuffPost reported that, viewed from above, the layout of the current building and grounds closely approximate the shape of the Millennium Falcon, a spacecraft featured in the Star Wars films.

Cumulatively among all of its sports, Parkland has secured fourteen Pennsylvania state championship titles.

The program has 11 athletes that have been inducted to the Parkland High School Hall of Fame.

[16] The boys basketball team has won 6 conference championships and 10 district titles.

[16] Sam Iorio attended Parkland High School, playing guard and forward for its Trojans basketball team.

[21] The Parkland Girls basketball team has an overall record throughout program history of 807-621, which has a winning percentage of 0.565.

[16] The Parkland girls cross country team has a record of 449-179-2 over 40 seasons with a winning percentage of 0.714.

[16] Parkland High School also is one of eleven Lehigh Valley-area high schools with an ice hockey team; the team competes in the Lehigh Valley Scholastic Ice Hockey League.

The team has won the LVSHL district championship 14 times, as well as making the state finals in 2013.

[22] The Parkland boys soccer team has an overall record of 615-303-48 with a winning percentage of 0.661 over 47 seasons as a program.

The most points were also completed by Josh Ottinger with 89, and the most shutouts in a season was 19 by Rob Weisel in 1998.

[16] The girls tennis program has a winning percentage of 0.827 with 633-132 with 18 conference championships and 11 district titles.

The program has produced 24 athletes into the Parkland High School hall of fame.

[16] In 2011, 2014, and 2015, the girls volleyball team won the PIAA AAA state championships.