Enrollment
179
California · 2024-25 NCES data
Elementary school (grades K-5) · East Nicolaus, CA
Marcum-Illinois Union Elementary
Federal NCES profile for Marcum-Illinois Union Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062380003595
👥 S:T ratio 28
🌟 Gifted program 70
📋 Attendance 65
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Marcum-Illinois Union Elementary earns 54/100 on the Resource Investment Index, with class sizes smaller than 79% of California schools.
- 54
- Resource Index · Higher
- 17.9:1
- small classes for California
- 32.6%
- free-lunch eligible
- 179
- students enrolled
Marcum-Illinois Union Elementary has class sizes smaller than 79% of California schools. Computed live against every California school reporting to NCES.
School address
District: Marcum-Illinois Union Elementary · California
NCES ID 062380003595 Verify on NCES CCD record →
Teachers (FTE)
10.0
Federal CCD staff survey
Students per teacher
17.9:1
vs 21.5:1 California avg
-17% vs state
Free-lunch eligible
32.6%
vs 55.5% California avg
-41% vs state
Student-teacher ratio in context
How Marcum-Illinois Union Elementary compares with California and U.S. medians
What stands out at Marcum-Illinois Union Elementary
Small campus with unusually lean teacher staffing
Marcum-Illinois Union Elementary sits near the smaller end of the California enrollment distribution while also reporting a lower student-teacher ratio than most state schools. That pairing is consistent with a compact, teacher-dense setting, though small scale can limit the number of specialized courses or support roles a campus can sustain. The program and staffing sections below show whether the lean ratio extends beyond classroom teachers into broader student services.
Lower need and stronger resource signals align
Marcum-Illinois Union Elementary reports lower free-meal eligibility than most California schools and an above-typical Resource Investment Index. The two measures move together, a pattern consistent with the resource advantages that often accompany a lower-need intake. That association should not be mistaken for a causal verdict about the school; it is a transparent description of how this campus sits on two independent federal-data dimensions.
No single support indicator dominates
Marcum-Illinois Union Elementary's available federal support indicators do not reveal an extreme in advanced-course access, specialist staffing, chronic absence, or IDEA enrollment. The most responsible reading is therefore component by component rather than a sweeping verdict: current counseling availability, health support, program schedules, and attendance policy still warrant direct confirmation. Missing or middle-range federal fields are not evidence that services are either strong or weak.
Marcum-Illinois Union Elementary is a mid-sized elementary school in East Nicolaus, California, enrolling 179 students.
Class sizes run a bit leaner than typical: 17.9:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 32.6% of students eligible for free meals.
Enrollment of 179 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index outscores 95% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 266 similarly sized, similarly resourced-need California schools statewide, it ranks #21, a top-tier result once campus size and economic need are matched.
Its student body is led by White (63%) and Hispanic or Latino (27%) (diversity index 52/100).
14.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Marcum-Illinois Union Elementary operates only this one school, so Marcum-Illinois Union Elementary has no district-mates to compare against locally.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Marcum-Illinois Union Elementary compares
Marcum-Illinois Union Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.9:1 | ▼ 17% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 32.6% | ▼ 41% | 55.5% | 51.7% |
| Enrollment | 179 | top 84% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
179
Bigger than 17% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
32.6%
free-lunch eligible
- 41% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.9:1
students per teacher
- 17% below state mean
Top 21% in California - lower ratio than 79% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
14.0%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$15,119
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 63.1%
Hispanic or Latino 27.4%
Two or More 6.7%
Asian 1.7%
Native Hawaiian / Pacific Islander 1.1%
Largest group: White at 63.1% of enrollment.
Student-body diversity index 52.2/100
Simpson diversity index - at 52.2, Marcum-Illinois Union Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Marcum-Illinois Union Elementary, which includes Marcum-Illinois Union Elementary.
$15,119
Per student
-8%
vs California
Avg $16,509
-9%
vs U.S.
Avg $16,593
Revenue mix
Local 30.4%
State 61.8%
Federal 7.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~179 students)
Similar student-teacher ratio (~17.9:1)
Next steps
Verify locally before acting on Marcum-Illinois Union Elementary's federal record.
- Compare Marcum-Illinois Union Elementary against another school. Compare schools
- Marcum-Illinois Union Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Marcum-Illinois Union Elementary
How many students attend Marcum-Illinois Union Elementary?
Marcum-Illinois Union Elementary has 179 students enrolled. It is an elementary school in East Nicolaus, CA.
What is the student-teacher ratio at Marcum-Illinois Union Elementary?
The student-teacher ratio at Marcum-Illinois Union Elementary is 17.9:1, which is 17% lower than the California average of 21.5:1 and 14% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Marcum-Illinois Union Elementary?
32.6% of students at Marcum-Illinois Union Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Marcum-Illinois Union Elementary?
The largest demographic group at Marcum-Illinois Union Elementary is White at 63.1% of enrollment, in East Nicolaus, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.2/100.
What is the Resource Investment Index for Marcum-Illinois Union Elementary?
Marcum-Illinois Union Elementary has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Marcum-Illinois Union Elementary?
None reported; Marcum-Illinois Union Elementary operates only Marcum-Illinois Union Elementary as a public school district in NCES's records.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.