Elementary school (grades K-5) · Joliet, IL
Union Elementary School
Federal NCES profile for Union Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
The verdict
Union Elementary School earns 55/100 on the Resource Investment Index, with class sizes smaller than 73% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #2 of 20
- elementary schools in Joliet · Resource Index
- 55
- Resource Index · Higher
- 11.9:1
- small classes for Illinois
- 143
- students enrolled
Union Elementary School has class sizes smaller than 73% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Union Elementary School ranks #2 of 20 elementary schools in Joliet, IL.
School address
CCD year-over-year · 2022-23 → 2023-24
+13 students YoY
Union Elementary School grew from 115 students in 2022-23 to 128 in 2023-24 (+11.3%).
Teacher FTE held 12.6 → 12.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+13 students YoY 173966004004 · Joliet, IL Elementary · SMALL · TRAD
143 enr · 11.9:1 · RII 55
Nearest enrollment peer: Connect Community Charter (143 students)
Union Elementary School grew from 115 students in 2022-23 to 128 in 2023-24 (+11.3%). Teacher FTE held 12.6 → 12.3 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Union Elementary School compares
Union Elementary School is a growing campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.9:1 | ▼ 15% | 14:1 | 15.7:1 |
| Enrollment | 143 | top 90% | - | - |
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: Hispanic or Latino at 46.2% of enrollment.
Simpson diversity index - at 64.3, Union Elementary School is more mixed than the Illinois school average of 38.9.
Programs
District finance for Union Sd 81 reports $40,757 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar elementary schools in Joliet
6 comparable elementary schools (grades K-5) serving the same city.
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 (~143 students)
Frequently asked questions about Union Elementary School
How many students attend Union Elementary School?
Union Elementary School has 143 students enrolled. It is an elementary school in Joliet, IL. CCD year-over-year: 115 (2022-23) → 128 (2023-24), up 13.
What is the student-teacher ratio at Union Elementary School?
The student-teacher ratio at Union Elementary School is 11.9:1, which is 15% lower than the Illinois average of 14:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Union Elementary School?
The largest demographic group at Union Elementary School is Hispanic or Latino at 46.2% of enrollment, in Joliet, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.3/100.
What is the Resource Investment Index for Union Elementary School?
Union Elementary School has a Resource Investment Index of 55/100 (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).
How does Union Elementary School rank among elementary schools in Joliet?
By Resource Investment Index, Union Elementary School ranks #2 of 20 elementary schools in Joliet, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Joliet on the city page.
What other schools are in Union Sd 81?
None reported; Union Sd 81 operates only Union Elementary School as a public school district in NCES's records.