Sisson

Sisson is a 6-8 campus of intimate scale in Mount Shasta, California, overseen by Mt. Shasta Union Elementary, caters to 274 students in grades 4 through 8. That puts it 58% leaner than the typical public school in California, which averages around 659 students.

Within Mt. Shasta Union Elementary, which oversees 2 schools and 469 students, Sisson is one campus in the system.

Looking at the student body, Sisson logs that the student body is overwhelmingly White (81%). Beyond that, the school logs 12% Hispanic, 4% multiracial. Compared to Siskiyou County overall, the school's racial mix sits in roughly the same range.

Looking at school resources, On paper, Sisson has 12 full-time-equivalent teachers, translating to a class-load average of around 22.6:1. The state averages around 20.7:1, so this campus is higher than the state norm typical. An estimated 34% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. By comparison, Siskiyou County runs at roughly 65%, so the school's eligibility rate is lower than the surrounding baseline.

With demographic context factored in, Sisson falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 59.1%; this one comes in at 36.0%, -23.1 points off the demographic line.

In the broader community, Siskiyou County reports that median household income runs about $59,095, 23% of adults hold a bachelor's degree or higher, and roughly 11% of residents live below the federal poverty line. Sisson is one of 52 public schools in Siskiyou County (combined enrollment of about 6,059 students).

Nearest neighbor: Mount Shasta High, around 0.3 miles off. Counting just inside five miles, 3 other public schools cluster around Sisson. On composite proficiency, Sisson comes 3rd of 6 in the immediate cluster, ahead of the nearby-schools average of 32.6%.

Geographically, the school is in a town-based area.

Five-year trend. Looking back 7 years, enrollment at Sisson has edged down 11%, going from 308 students in 2018 to 274 in 2025. The student-to-teacher ratio loosened from 20.3:1 in 2018 to 22.6:1 today.

Within the allk12 community for this school, the feed for Sisson typically covers enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.