Enrollment
523
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Cortland, IL
Federal NCES profile for Cortland Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Cortland Elementary School earns 38/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
Cortland Elementary School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
NCES ID 171200000468 Verify on NCES CCD record →
Enrollment
523
Illinois · 2024-25 NCES data
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
14:1
vs 14:1 Illinois avg
+0% vs state
How Cortland Elementary School compares with Illinois and U.S. medians
At or below state median
14:1 - 0.0 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Cortland Elementary School is a mid-sized elementary school in Cortland, Illinois, enrolling 523 students.
At 14:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 523 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (42%) and White (37%), more mixed than most schools in the state (diversity index 66/100).
Attendance runs somewhat below the norm, with 24.1% of students chronically absent per the 2021-22 civil-rights collection.
Discipline events run high: 198 in- and out-of-school suspensions were reported for 523 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 196 expulsions at this campus for 2021-22.
Dekalb Cusd 428 also operates Dekalb High School (2,134 students) and Huntley Middle School (865 students) alongside Cortland Elementary School.
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
Cortland Elementary 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 | 14:1 | ▼ 0% | 14:1 | 15.7:1 |
| Enrollment | 523 | top 27% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: Hispanic or Latino at 42.3% of enrollment.
Simpson diversity index - at 66.1, Cortland Elementary School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Dekalb Cusd 428, which includes Cortland Elementary 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 |
|---|---|---|---|
| Dekalb High School | Larger | No free-lunch data | Higher S:T ratio |
| Huntley Middle School | Larger | No free-lunch data | Similar S:T ratio |
| Clinton Rosette Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Founders Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
| Littlejohn Elem School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Cortland Elementary School's own figures; each column derives from NCES Common Core of Data.
Next steps
Verify locally before acting on Cortland Elementary 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.
Cortland Elementary School has 523 students enrolled. It is an elementary school in Cortland, IL.
The student-teacher ratio at Cortland Elementary School is 14:1, which is 0% higher than the Illinois average of 14:1 and 11% lower than the national average of 15.7:1.
The largest demographic group at Cortland Elementary School is Hispanic or Latino at 42.3% of enrollment, in Cortland, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.1/100.
Cortland Elementary School has a Resource Investment Index of 38/100 (typical 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).
Cortland Elementary School earns 38/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more 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 Cortland Elementary School, Dekalb Cusd 428 also operates Dekalb High School (2,134 students), Huntley Middle School (865 students), and Clinton Rosette Middle School (575 students). See the Dekalb Cusd 428 district page for the complete list.