Challis Jr. Sr. High School is a school in

Challis, Idaho Challis is the largest city in Custer County, Idaho, United States. It is the county seat and its population was 1,081 at the 2010 census. The 2020 census shows 902 residents, a 16.6% drop. History Challis was founded in 1878 and named for A.P. ...

. The former Challis High School, a building at 701 Main Ave. in

, was listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

in 1980. It was destroyed by the

1983 Borah Peak earthquake The 1983 Borah Peak earthquake occurred on October 28, at in the western United States, in the Lost River Range at Borah Peak in central Idaho. The shock measured 6.9 on the moment magnitude scale and had a maximum Mercalli intensity of IX (''Vi ...

. It was a stone building, built of local

tuff Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Following ejection and deposition, the ash is lithified into a solid rock. Rock that contains greater than 75% ash is considered tuff, while rock cont ...

stone, which demonstrated "the persistence of the false-front idea in Challis architecture. Here, the false front masks a simpler gabled schoolhouse and projects an image more in keeping with urban schools of the period." With

References

High schools in Idaho National Register of Historic Places in Custer County, Idaho Art Deco architecture in Idaho Buildings and structures completed in 1922 {{Idaho-NRHP-stub