The school was established in 1888, and the first sections of the current building were built in 1953, with several renovations and additions occurring since then.

[2] Farmington High School traces its roots back over 125 years.

While no date has been fully confirmed, 1888 has been accepted as the year the school was first established.

[4] The first bus operated by the schools in the area began running with service to Farmington in 1929.

Additions over the years, including a major renovation in 1998, have increased available space and amenities.