CHALLIS JR/SR HIGH SCHOOL

CHALLIS JR/SR HIGH SCHOOL is a micro-enrollment senior high in CHALLIS, Idaho, operated by CHALLIS JOINT DISTRICT. The school enrolls 136 students in grades 7 through 12. Enrollment runs roughly 70% below the state mean of about 455.

Across the 3 schools in CHALLIS JOINT DISTRICT (332 students total), CHALLIS JR/SR HIGH SCHOOL accounts for its share of the district's footprint.

For racial and ethnic makeup, CHALLIS JR/SR HIGH SCHOOL logs that 90% of students identify as White, making the school strongly White-majority. The remainder is composed of 6% Hispanic, 2% multiracial. Compared to Custer County overall, the school's racial mix sits in roughly the same range.

Looking at the economic backdrop, On paper, CHALLIS JR/SR HIGH SCHOOL has 16 full-time-equivalent teachers, translating to a class-load average of around 8.7:1. Statewide, the average ratio sits near 16.0:1, putting CHALLIS JR/SR HIGH SCHOOL tighter than the state norm the norm. Roughly 48% of students at CHALLIS JR/SR HIGH SCHOOL qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

Around the school, Custer County reports that median household income runs about $67,574, 29% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. In all, Custer County runs 6 public schools (combined enrollment of about 550 students), of which CHALLIS JR/SR HIGH SCHOOL is one.

Nearest neighbor: CHALLIS ELEMENTARY SCHOOL, around 0.2 miles off.

Geographically, the school is in a countryside area.

Five-year trend. Over the past 7-year window, the student count fell 20%: 171 students in 2018 compared to 136 in 2025. Over the same period, the White share rose from 85% to 90%. The student-to-teacher ratio pulled in from 11.2:1 in 2018 to 8.7:1 today.

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