Enrollment
254
Illinois · 2024-25 NCES data
High school (grades 9-12) · South Beloit, IL
South Beloit Sr High School
Federal NCES profile for South Beloit Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173660003768
👥 S:T ratio 40
📚 AP courses 5
🌟 Gifted program 30
🎓 Counselors 75
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Beloit Sr High School earns 30/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #4 of 7
- public schools in South Beloit · Resource Index
- 30
- Resource Index · Lower
- 14.9:1
- students per teacher
- 254
- students enrolled
South Beloit Sr High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, South Beloit Sr High School ranks #4 of 7 public schools in South Beloit, IL.
School address
District: County of Winnebago Sd 320 · Illinois
NCES ID 173660003768 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
14.9:1
vs 14:1 Illinois avg
+6% vs state
Student-teacher ratio in context
How South Beloit Sr High School compares with Illinois and U.S. medians
What stands out at South Beloit Sr High School
South Beloit Sr High School is a mid-sized high school in South Beloit, Illinois, enrolling 254 students.
Class loads run somewhat heavier than typical: 14.9:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 254 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 led by White (55%) and Hispanic or Latino (32%), more mixed than most schools in the state (diversity index 59/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage is strong, about 127 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 41.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 16.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
County of Winnebago Sd 320 also operates Riverview Elementary School (199 students) and Clark Elementary School (185 students) alongside South Beloit Sr High 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
How South Beloit Sr High School compares
South Beloit 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 | 14.9:1 | ▲ 6% | 14:1 | 15.7:1 |
| Enrollment | 254 | top 73% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.9:1
Leaner classes than 48% of US schools, a middle-of-the-pack class size.
254
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
14.9:1
students per teacher
- 6% above state mean
Top 68% in Illinois - lower ratio than 32% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
41.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,120
per pupil, district-wide
- below Illinois avg of $17,042
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 127 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 40 out-of-school
Suspension rate: 2.0 per 100 students. Combined in-school and out-of-school rate: 17.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 54.7%
Hispanic or Latino 32.3%
Two or More 7.1%
African American 5.1%
Asian 0.4%
American Indian / Alaska Native 0.4%
Largest group: White at 54.7% of enrollment.
Student-body diversity index 58.9/100
Simpson diversity index - at 58.9, South Beloit Sr High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 1
Funding & spending
District-wide per-pupil expenditure for County of Winnebago Sd 320, which includes South Beloit Sr High School.
$15,120
Per student
-11%
vs Illinois
Avg $17,042
-9%
vs U.S.
Avg $16,593
Revenue mix
Local 39.1%
State 44.7%
Federal 16.2%
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.
How South Beloit Sr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Riverview Elementary School | Similar size | No free-lunch data | Lower S:T ratio |
| Clark Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| Blackhawk Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| South Beloit Jr High School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to South Beloit Sr High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 199
- Students per teacher
- 12.4:1
- Resource Index
- 34/100
- Enrollment
- 185
- Students per teacher
- 15.4:1
- Resource Index
- 46/100
- Enrollment
- 139
- Students per teacher
- 15.4:1
- Resource Index
- 44/100
- Enrollment
- 118
- Students per teacher
- 11.8:1
- Resource Index
- 34/100
Similar high schools statewide
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.
Similar enrollment (~254 students)
Similar student-teacher ratio (~14.9:1)
Next steps
Verify locally before acting on South Beloit Sr High School's federal record.
- Compare South Beloit Sr High School against another school. Compare schools
- County of Winnebago Sd 320's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about South Beloit Sr High School
How many students attend South Beloit Sr High School?
South Beloit Sr High School has 254 students enrolled. It is a high school in South Beloit, IL.
What is the student-teacher ratio at South Beloit Sr High School?
The student-teacher ratio at South Beloit Sr High School is 14.9:1, which is 6% higher than the Illinois average of 14:1 and 5% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of South Beloit Sr High School?
The largest demographic group at South Beloit Sr High School is White at 54.7% of enrollment, in South Beloit, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.9/100.
What is the Resource Investment Index for South Beloit Sr High School?
South Beloit Sr High School has a Resource Investment Index of 30/100 (lower 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).
How does South Beloit Sr High School rank among public schools in South Beloit?
By Resource Investment Index, South Beloit Sr High School ranks #4 of 7 public schools in South Beloit, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in South Beloit on the city page.
Is South Beloit Sr High School a good school?
South Beloit Sr High School earns 30/100 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.
What other schools are in County of Winnebago Sd 320?
Besides South Beloit Sr High School, County of Winnebago Sd 320 also operates Riverview Elementary School (199 students), Clark Elementary School (185 students), and Blackhawk Elementary School (139 students). See the County of Winnebago Sd 320 district page for the complete list.
Related tools
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.