Trona High

Trona High, an one-room-style 9-12 campus in Trona, California, operated by Trona Joint Unified, works with 111 students, covering grades 7 through 12. Compared to the state average of about 838 students per school, that is 87% smaller than typical.

Trona High is one of 2 schools operated by Trona Joint Unified, a district that hosts 258 students overall.

In terms of who attends, Trona High shows that the largest single group is White, at 59% of enrollment. Beyond that, the school logs 35% Hispanic, 5% Black. The wider county runs roughly 33% White, putting the school's mix meaningfully more White than the area baseline.

Looking at the economic backdrop, Staff filings list 10 full-time-equivalent teachers, which works out to roughly 11.7:1 students per teacher. Statewide, the average ratio sits near 18.2:1, putting Trona High tighter than the state norm the norm. About 74% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.

On a demographically-adjusted basis, Trona High falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 35.5%; this one comes in at 4.5%, -30.9 points off the demographic line.

Zooming out to the county, the surrounding county (San Bernardino County) records that the typical household earns roughly $85,478 per year, roughly 23% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 11%. Trona High is one of 583 public schools in San Bernardino County (combined enrollment of about 393,648 students).

The closest other public school is Trona Elementary, roughly 0.0 miles away. Ranking that nearby cluster on reported proficiency puts Trona High at 8th of 8; the average score across the group is 30.3%.

The campus sits in a rural setting.

Looking at the recent track record. Over the past 7-year window, the student count fell 8%: 121 students in 2018 compared to 111 in 2025. The White share of enrollment ticked up from 48% to 59% over that span. The student-to-teacher ratio pulled in from 13.3:1 in 2018 to 11.7:1 today.

On this page, recent activity here tends to focus on classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.