MARSH VALLEY HIGH SCHOOL

MARSH VALLEY HIGH SCHOOL operates as a close-knit 9-12 campus in ARIMO, Idaho, operated by MARSH VALLEY JOINT DISTRICT. Current enrollment sits at 303 students spanning grades 9 through 12. Enrollment runs roughly 33% leaner than the state mean of about 455.

Within MARSH VALLEY JOINT DISTRICT, which oversees 6 schools and 1,064 students, MARSH VALLEY HIGH SCHOOL is one campus in the system.

On the student-mix side, MARSH VALLEY HIGH SCHOOL shows that the student body is overwhelmingly White (94%). Beyond that, the school logs 4% Hispanic. That is noticeably more White than the county at large, where the share is closer to 83%.

On the resource side, MARSH VALLEY HIGH SCHOOL logs 19 full-time-equivalent teachers, putting the student-to-teacher ratio at about 16.2:1. That tracks the state average closely. An estimated 22% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. That share is lower than Bannock County's rate of about 44%.

In the broader community, census data for Bannock County shows median household income runs about $66,499, 31% of adults hold a bachelor's degree or higher, and roughly 8% of residents live below the federal poverty line. Across Bannock County's 37 public schools (combined enrollment of about 14,358 students), MARSH VALLEY HIGH SCHOOL is one campus in the mix.

MARSH VALLEY MIDDLE SCHOOL is the nearest neighboring public school, about 0.2 miles from this campus. Counting just inside five miles, 2 other public schools cluster around MARSH VALLEY HIGH SCHOOL.

The campus sits in a low-density setting.

Trend over the last 7 years. Looking back 7 years, enrollment at MARSH VALLEY HIGH SCHOOL has edged down 18%, going from 370 students in 2018 to 303 in 2025. The student-to-teacher ratio pulled in from 17.2:1 in 2018 to 16.2:1 today.

On the community side, the feed for MARSH VALLEY HIGH SCHOOL typically covers fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.