Thunder Mountain High School

Thunder Mountain High School operates as a roomy four-year high school in Juneau, Alaska, operated by Juneau Borough School District. Current enrollment sits at 589 students spanning grades 9 through 12. That puts it 58% above the typical public school in Alaska, which averages around 373 students.

Thunder Mountain High School is one of 16 schools operated by Juneau Borough School District, a district that teaches 5,481 students overall.

On the student-mix side, Thunder Mountain High School lists that 47% of students identify as White, with the remaining enrollment distributed across several groups; the rest breaks down as 19% multiracial, 12% Native American, 11% Hispanic, 8% Asian. That is noticeably less White than the county at large, where the share is closer to 63%.

Looking at the economic backdrop, Staff filings list 29 full-time-equivalent teachers, which works out to roughly 17.6:1 students per teacher. That tracks the state average closely. Roughly 12% of students at Thunder Mountain High School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is noticeably below Juneau City and Borough's rate of about 20%.

Across the wider county, the surrounding county (Juneau City and Borough) shows that median household earnings sit near $101,661, roughly 41% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Across Juneau City and Borough's 16 public schools (combined enrollment of about 5,481 students), Thunder Mountain High School is one campus in the mix.

Nearest neighbor: Thunder Mountain Middle School, around 0.0 miles off. Counting just inside five miles, 7 other public schools cluster around Thunder Mountain High School.

The campus sits in a town-center setting.

Five-year trend. Over the past 6-year window, the student count decreased 16%: 701 students in 2018 compared to 589 in 2024. The White share of enrollment decreased from 54% to 47% over that span. Class-load math has grew: from 19.2:1 in 2018 to 20.3:1 in 2024.

In the discussion threads here, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.