It was established prior to 1909, and the most recent school building was completed in 2002 on the south west end of American Falls.

[11] To make way for the new American Falls Dam on the Snake River, the Bureau of Reclamation in 1925 began moving American Falls again: "344 residents, 46 businesses, three hotels, one school, five churches, one hospital, six grain elevators, and one flour mill were moved from the original town site, making this the largest government relocation project of its time.

[13] By March 1964, a two-story addition for classrooms and science laboratories was begun, to be completed by the beginning of the following school year.

[14] However, a seismic analysis conducted in 1997 revealed the old gymnasium and adjacent classrooms were not structurally sound enough to withstand an earthquake, and noted the front of the new section had sustained a 1.5 inch crack from the basement to the roof due to building settlement.

[20] The school had submitted a COVID-19 compliant plan to Southeastern Idaho Public Health to gain approval of the ceremonies and ensure the safety of participants.

[22] Extra curricular activities include a variety of sports, instrumental and vocal music, debate, drama and speech.

[25] Marc Beitia, Idaho's Teacher of the Year in 2018, helped start the school's agriculture program in 1990, and has sponsored its national award-winning Future Farmer of America chapter.