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.
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
NCES ID 062380003595 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-11 students YoY
Marcum-Illinois Union Elementary shrank from 193 students in 2022-23 to 182 in 2023-24 (-5.7%).
Teacher FTE held 10.0 → 10.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-11 students YoY 062380003595 · East Nicolaus, CA Elementary · SMALL · TRAD
179 enr · 17.9:1 · 32.6% lunch · RII 54
Nearest enrollment peer: Big Thompson Elementary School (179 students)
Marcum-Illinois Union Elementary shrank from 193 students in 2022-23 to 182 in 2023-24 (-5.7%). Teacher FTE held 10.0 → 10.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
How Marcum-Illinois Union Elementary compares
Marcum-Illinois Union Elementary is a shrinking campus on CCD: ratios and free-lunch share vs 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
Equity indicators methodology
Student demographics
Largest group: White at 63.1% of enrollment.
Simpson diversity index - at 52.2, Marcum-Illinois Union Elementary is more mixed than the California school average of 46.0.
Programs
District finance for Marcum-Illinois Union Elementary reports $14,855 per pupil (NCES F-33) - open the district page for the full revenue mix.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~179 students)
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. CCD year-over-year: 193 (2022-23) → 182 (2023-24), down 11.
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.