- Enrollment
- 298
- Students per teacher
- 13:1
- Resource Index
- 42/100
High school (grades 9-12) · Somonauk, IL
Somonauk High School
Federal NCES profile for Somonauk High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173657003764
👥 S:T ratio 47
🌟 Gifted program 30
🎓 Counselors 55
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Somonauk High School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #1 of 3
- public schools in Somonauk · Resource Index
- 49
- Resource Index · Higher
- 13.2:1
- students per teacher
- 224
- students enrolled
Somonauk High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Somonauk High School ranks #1 of 3 public schools in Somonauk, IL.
School address
District: Somonauk Cusd 432 · Illinois
NCES ID 173657003764 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-10 students YoY
Somonauk High School held near 228 students from 2022-23 to 2023-24 (-10 headcount).
Teacher FTE added 17.1 → 18.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-10 students YoY 173657003764 · Somonauk, IL High · SMALL · TRAD
224 enr · 13.2:1 · RII 49
Nearest enrollment peer: James R Wood Elem School (298 students)
Somonauk High School held near 228 students from 2022-23 to 2023-24 (-10 headcount). Teacher FTE added 17.1 → 18.8 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Somonauk High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- James R Wood E
James R Wood Elem School
298 students
- Somonauk Middl
Somonauk Middle School
249 students
- This school
Somonauk High School
224 students
What this shows Somonauk High School reports 224 students on the CCD universe file.
How Somonauk High School compares
Somonauk High 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 | 13.2:1 | ▼ 6% | 14:1 | 15.7:1 |
| Enrollment | 224 | top 78% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.2:1
Leaner classes than 65% of US schools, a middle-of-the-pack class size.
224
Bigger than 22% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
13.2:1
students per teacher
- 6% below state mean
Top 45% in Illinois - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
13.8%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$16,983
per pupil, district-wide
- below Illinois avg of $18,196
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 224 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 8 out-of-school
Suspension rate: 4.0 per 100 students. Combined in-school and out-of-school rate: 7.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 84.8%
Hispanic or Latino 10.7%
Asian 1.8%
African American 1.3%
Two or More 1.3%
Largest group: White at 84.8% of enrollment.
Student-body diversity index 26.9/100
Simpson diversity index - at 26.9, Somonauk High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 6
District finance for Somonauk Cusd 432 reports $16,983 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Somonauk High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| James R Wood Elem School | Larger | No free-lunch data | Similar S:T ratio |
| Somonauk Middle School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Somonauk High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 249
- Students per teacher
- 13.8:1
- Resource Index
- 40/100
Nationwide high 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 (~224 students)
Frequently asked questions about Somonauk High School
How many students attend Somonauk High School?
Somonauk High School has 224 students enrolled. It is a high school in Somonauk, IL. CCD year-over-year: 238 (2022-23) → 228 (2023-24), nearly flat (-10).
What is the student-teacher ratio at Somonauk High School?
The student-teacher ratio at Somonauk High School is 13.2:1, which is 6% lower than the Illinois average of 14:1 and 16% 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 Somonauk High School?
The largest demographic group at Somonauk High School is White at 84.8% of enrollment, in Somonauk, IL.
What is the Resource Investment Index for Somonauk High School?
Somonauk High School has a Resource Investment Index of 49/100 (higher 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 Somonauk High School rank among public schools in Somonauk?
By Resource Investment Index, Somonauk High School ranks #1 of 3 public schools in Somonauk, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Somonauk Cusd 432?
Besides Somonauk High School, Somonauk Cusd 432 also operates James R Wood Elem School (298 students) and Somonauk Middle School (249 students). See the Somonauk Cusd 432 district page for the complete list.