It is said that before the abolition of slavery, a branch of the Underground Railroad, which was developed to assist fugitive slaves in their escape to Canada, ran through Huntington (then Murrayfield).

[6] Millers' Tavern operated as a "station," and, being the last "hiding place" en route, became known as "The Gateway."

Therefore, it was natural to take the suggestion for a name for the school and district from the history and heritage of the past, so this parcel of land could continue to be a gateway to a better future.

Founded in the Fall of 2013,[7] Gateway Regional High School-Model United Nations (GRHS—MUN) is advised by History Department teacher Nicholas Vooys.

[9] noviceMUN, followed by GRMUNC, was the first Model UN conference in Western Massachusetts to be hosted by a high school.