Enrollment
204
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Concord, IL
Federal NCES profile for Triopia Grade School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Triopia Grade School earns 51/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools.
Triopia Grade School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
NCES ID 171083001322 Verify on NCES CCD record →
Enrollment
204
Illinois · 2024-25 NCES data
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 14:1 Illinois avg
-9% vs state
How Triopia Grade School compares with Illinois and U.S. medians
At or below state median
12.8:1 - 1.2 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Triopia Grade School is a mid-sized combined-grade school in Concord, Illinois, enrolling 204 students.
Class sizes run a bit leaner than typical: 12.8:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 204 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (97% of enrollment), among the less diverse in the state (diversity index 7/100).
10.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Triopia Cusd 27 spends $12,666 per pupil, 26% below the Illinois average, a leaner-resourced district than most.
Among Concord's public schools, it stands alongside Triopia Jr-Sr High School (186 students): Triopia Grade School is larger than that campus by headcount and runs heavier classes (12.8:1 vs 10.3:1).
Its district, Triopia Cusd 27, also runs Triopia Jr-Sr High School (186 students).
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
Triopia Grade School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.8:1 | ▼ 9% | 14:1 | 15.7:1 |
| Enrollment | 204 | top 81% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 96.6% of enrollment.
Simpson diversity index - at 6.6, Triopia Grade School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Triopia Cusd 27, which includes Triopia Grade School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Triopia Jr-Sr High School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Triopia Grade School's own figures; each column derives from NCES Common Core of Data.
1 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Triopia Grade School's federal record.
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.
Triopia Grade School has 204 students enrolled. It is a public school in Concord, IL.
The student-teacher ratio at Triopia Grade School is 12.8:1, which is 9% lower than the Illinois average of 14:1 and 18% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Triopia Grade School is White at 96.6% of enrollment, in Concord, IL.
Triopia Grade School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Triopia Grade School earns 51/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Triopia Grade School, Triopia Cusd 27 also operates Triopia Jr-Sr High School (186 students). See the Triopia Cusd 27 district page for the complete list.
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 June 2026.
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PlainSchools, “Triopia Grade School, Concord IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/triopia-grade-school-il
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