Enrollment
147
Illinois · 2024-25 NCES data
High school (grades 9-12) · Henry, IL
Federal NCES profile for Henry-Senachwine High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
The verdict
Henry-Senachwine High School earns 36/100 on the Resource Investment Index, with class sizes smaller than 96% of Illinois schools. It is also less racially and ethnically mixed than most Illinois schools.
Henry-Senachwine High School has class sizes smaller than 96% of Illinois schools. Computed live against every Illinois school reporting to NCES.
NCES ID 170011505395 Verify on NCES CCD record →
Enrollment
147
Illinois · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
8.6:1
vs 14:1 Illinois avg
-39% vs state
How Henry-Senachwine High School compares with Illinois and U.S. medians
Smaller classes than state median
8.6:1 - 5.4 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Henry-Senachwine High School is a small high school in Henry, Illinois, enrolling 147 students.
Classes run notably small here: at 8.6:1, Henry-Senachwine High School is leaner than roughly 96% of Illinois schools and 39% under the state's 14:1 norm, more adult attention per pupil than most peers.
Enrollment of 147 puts it in the smaller 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 predominantly White (94% of enrollment), among the less diverse in the state (diversity index 12/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage is strong, about 210 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 36.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district, Henry-Senachwine Cusd 5, also runs Henry-Senachwine Grade School (387 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
Henry-Senachwine 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 | 8.6:1 | ▼ 39% | 14:1 | 15.7:1 |
| Enrollment | 147 | top 90% | - | - |
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 93.9% of enrollment.
Simpson diversity index - at 11.7, Henry-Senachwine High School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Henry-Senachwine Cusd 5, which includes Henry-Senachwine 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 |
|---|---|---|---|
| Henry-Senachwine Grade School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Henry-Senachwine High School's own figures; each column derives from NCES Common Core of Data.
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 Henry-Senachwine 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.
Henry-Senachwine High School has 147 students enrolled. It is a high school in Henry, IL.
The student-teacher ratio at Henry-Senachwine High School is 8.6:1, which is 39% lower than the Illinois average of 14:1 and 45% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Henry-Senachwine High School is White at 93.9% of enrollment, in Henry, IL.
Henry-Senachwine High School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Henry-Senachwine High School earns 36/100 on the Resource Investment Index, with class sizes smaller than 96% 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 Henry-Senachwine High School, Henry-Senachwine Cusd 5 also operates Henry-Senachwine Grade School (387 students). See the Henry-Senachwine Cusd 5 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, “Henry-Senachwine High School, Henry 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/henry-senachwine-high-school-il
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