- Enrollment
- 313
- Students per teacher
- 13:1
- Resource Index
- 47/100
Other / mixed grade configuration · Darien, IL
Concord Elem School
Federal NCES profile for Concord Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataOther / mixed grade configurationNCES 170879000520
👥 S:T ratio 48
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Concord Elem School earns 40/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #1 of 3
- schools in Darien · Resource Index
- 40
- Resource Index · Typical
- 13.1:1
- students per teacher
- 460
- students enrolled
Concord Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Concord Elem School ranks #1 of 3 schools in Darien, IL.
School address
CCD year-over-year · 2022-23 → 2023-24
+12 students YoY
Concord Elem School held near 463 students from 2022-23 to 2023-24 (+12 headcount).
Teacher FTE lost 35.5 → 34.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+12 students YoY 170879000520 · Darien, IL Other · SMALL · TRAD
460 enr · 13.1:1 · RII 40
Nearest enrollment peer: Cass Jr High School (313 students)
Concord Elem School held near 463 students from 2022-23 to 2023-24 (+12 headcount). Teacher FTE lost 35.5 → 34.5 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Concord Elem School compares
Concord Elem School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.1:1 | ▼ 6% | 14:1 | 15.7:1 |
| Enrollment | 460 | top 36% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.1:1
Leaner classes than 66% of US schools, among the more generously staffed nationally.
460
Bigger than 56% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
13.1:1
students per teacher
- 6% below state mean
Top 44% in Illinois - lower ratio than 56% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
23.3%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,928
per pupil, district-wide
- below Illinois avg of $18,196
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 66.7%
Asian 16.5%
Two or More 5.4%
Hispanic or Latino 5.2%
African American 3.9%
American Indian / Alaska Native 2.0%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 66.7% of enrollment.
Student-body diversity index 52.0/100
Simpson diversity index - at 52.0, Concord Elem School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for Cass Sd 63 reports $17,928 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Concord Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cass Jr High School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Concord Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar other schools in Darien
2 comparable other schools (grades Mixed) serving the same city.
Nationwide other 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 (~460 students)
Frequently asked questions about Concord Elem School
How many students attend Concord Elem School?
Concord Elem School has 460 students enrolled. It is a public school in Darien, IL. CCD year-over-year: 451 (2022-23) → 463 (2023-24), nearly flat (+12).
What is the student-teacher ratio at Concord Elem School?
The student-teacher ratio at Concord Elem School is 13.1:1, which is 6% lower than the Illinois average of 14:1 and 17% 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 Concord Elem School?
The largest demographic group at Concord Elem School is White at 66.7% of enrollment, in Darien, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.0/100.
What is the Resource Investment Index for Concord Elem School?
Concord Elem School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Concord Elem School rank among schools in Darien?
By Resource Investment Index, Concord Elem School ranks #1 of 3 schools in Darien, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Darien on the city page.
What other schools are in Cass Sd 63?
Besides Concord Elem School, Cass Sd 63 also operates Cass Jr High School (313 students). See the Cass Sd 63 district page for the complete list.