Enrollment
237
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Cambridge, IL
Federal NCES profile for Cambridge Jr/Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Cambridge Jr/Sr High School earns 51/100 on the Resource Investment Index, with class sizes smaller than 79% of Illinois schools. It is also less racially and ethnically mixed than most Illinois schools.
Cambridge Jr/Sr High School has class sizes smaller than 79% of Illinois schools. Computed live against every Illinois school reporting to NCES.
NCES ID 170816000429 Verify on NCES CCD record →
Enrollment
237
Illinois · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 14:1 Illinois avg
-19% vs state
How Cambridge Jr/Sr High School compares with Illinois and U.S. medians
Smaller classes than state median
11.3:1 - 2.7 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Cambridge Jr/Sr High School is a mid-sized combined-grade school in Cambridge, Illinois, enrolling 237 students.
Class sizes run a bit leaner than typical: 11.3:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 237 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 (98% of enrollment), among the less diverse in the state (diversity index 3/100).
Counselor coverage is strong, about 158 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 19.4% of students chronically absent per the 2021-22 civil-rights collection.
Among Cambridge's public schools, it stands alongside Cambridge Comm Grade School (222 students): Cambridge Jr/Sr High School is larger than that campus by headcount and runs leaner classes (11.3:1 vs 13.1:1).
Its district, Cambridge Cusd 227, also runs Cambridge Comm Grade School (222 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
Cambridge Jr/Sr High 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 | 11.3:1 | ▼ 19% | 14:1 | 15.7:1 |
| Enrollment | 237 | top 76% | - | - |
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 98.3% of enrollment.
Simpson diversity index - at 3.4, Cambridge Jr/Sr High School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Cambridge Cusd 227, which includes Cambridge Jr/Sr High 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 |
|---|---|---|---|
| Cambridge Comm Grade School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Cambridge Jr/Sr High 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 Cambridge Jr/Sr High 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.
Cambridge Jr/Sr High School has 237 students enrolled. It is a public school in Cambridge, IL.
The student-teacher ratio at Cambridge Jr/Sr High School is 11.3:1, which is 19% lower than the Illinois average of 14:1 and 28% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Cambridge Jr/Sr High School is White at 98.3% of enrollment, in Cambridge, IL.
Cambridge Jr/Sr High School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Cambridge Jr/Sr High School earns 51/100 on the Resource Investment Index, with class sizes smaller than 79% of Illinois schools. 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 Cambridge Jr/Sr High School, Cambridge Cusd 227 also operates Cambridge Comm Grade School (222 students). See the Cambridge Cusd 227 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, “Cambridge Jr/Sr High School, Cambridge 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/cambridge-jrsr-high-school-il
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