The school has recently suffered from overcrowding, leading administrators to place portable classrooms on the campus.

[citation needed] Senior Safe Night started when students decided to camp out at the high school.

[6] For the 2020–21 academic year, Salem High School (New Hampshire) enrolled 1,131 students, according to the National Center for Education Statistics.

This past fall 2021 Coach Steve Abraham in his 2nd season lead the Blue Devils to another Final 4 appearance in Division 1, including a regular-season win over eventual champion Londonderry.

Softball has won seventeen Class L state championships (When?-2010), Coach Harold Sachs recorded his 500th win on May 24, 2011.

The boys' volleyball team has a national record 112-match win streak and have won ten straight state championships (2004–2014) according to NFHS.org.

On June 18, 2010, German exchange student Philipp Becker won the boys' singles tennis tournament when he beat his rival from Londonderry High School.

[10] The marching band is open to all students, Grades 9-12, who have previously studied a musical instrument either in or out of school.