Marcum-Illinois Union Elementary

Marcum-Illinois Union Elementary is an elementary school of very small scale in East Nicolaus, California, part of Marcum-Illinois Union Elementary, serveing 179 students in grades K through 8. By comparison, California's public schools average about 465 students each, so Marcum-Illinois Union Elementary sits 62% leaner than that benchmark.

Marcum-Illinois Union Elementary is a school of Marcum-Illinois Union Elementary, the district that handles curriculum, staffing, and budget for the campus.

Demographically, Marcum-Illinois Union Elementary logs that the largest single group is White, at 63% of enrollment. Other groups include 27% Hispanic, 7% multiracial. The wider county runs roughly 45% White, putting the school's mix noticeably more White than the area baseline.

On the resource side, Staff filings list 10 full-time-equivalent teachers, which works out to roughly 17.9:1 students per teacher. Statewide, the average ratio sits near 22.3:1, putting Marcum-Illinois Union Elementary tighter than the state norm the norm. Roughly 30% of students at Marcum-Illinois Union Elementary qualify for free or reduced-price lunch, often used as a Title I proxy. Set against Sutter County (around 60%), the school's rate is somewhat below typical.

Adjusting for the school's free-and-reduced-lunch share, Marcum-Illinois Union Elementary tracks the demographic baseline. The model predicts 61.9% given the school's FRL share; actual proficiency is 54.1%.

Across the wider county, the surrounding county (Sutter County) shows that the typical household earns roughly $79,704 per year, about 21% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 12%. Marcum-Illinois Union Elementary is one of 46 public schools in Sutter County (combined enrollment of about 23,784 students).

Nearest neighbor: South Sutter Charter, around 0.1 miles off. Counting just inside five miles, 3 other public schools cluster around Marcum-Illinois Union Elementary. Among the 8 schools in that immediate cluster with test data (this one included), Marcum-Illinois Union Elementary ranks 1st on composite proficiency, ahead of the local average of 39.6%.

Geographically, the school is in a rural area.

Over the past 7-year window. Over the past 7-year window, the student count climbed 13%: 159 students in 2018 compared to 179 in 2025. Class-load math has widened: from 15.9:1 in 2018 to 17.9:1 in 2025.

Within the allk12 community for this school, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.