- Enrollment
- 2,870
- Students per teacher
- 16.1:1
- Resource Index
- 47/100
Elementary school (grades K-5) · Oswego, IL
Southbury Elem School
Federal NCES profile for Southbury Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173027006004
👥 S:T ratio 36
🌟 Gifted program 70
📋 Attendance 80
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Southbury Elem School earns 62/100 on the Resource Investment Index, with class sizes larger than 80% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #3 of 6
- elementary schools in Oswego · Resource Index
- 62
- Resource Index · Higher
- 16.1:1
- large classes for Illinois
- 676
- students enrolled
Southbury Elem School has class sizes larger than 80% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Southbury Elem School ranks #3 of 6 elementary schools in Oswego, IL.
School address
CCD year-over-year · 2022-23 → 2023-24
+24 students YoY
Southbury Elem School held near 605 students from 2022-23 to 2023-24 (+24 headcount).
Teacher FTE lost 42.0 → 39.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+24 students YoY 173027006004 · Oswego, IL Elementary · MID · TRAD
676 enr · 16.1:1 · RII 62
Nearest enrollment peer: Oswego High School (2,870 students)
Southbury Elem School held near 605 students from 2022-23 to 2023-24 (+24 headcount). Teacher FTE lost 42.0 → 39.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Southbury Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Oswego High Sc
Oswego High School
2,870 students
- Oswego East Hi
Oswego East High School
2,758 students
- Traughber Jr H 1,070
Traughber Jr High School
1,070 students
- Thompson Jr Hi 832
Thompson Jr High School
832 students
- Lakewood Creek 767
Lakewood Creek Elementary
767 students
- This school 676
Southbury Elem School
676 students
What this shows Southbury Elem School reports 676 students on the CCD universe file.
How Southbury Elem School compares
Southbury Elem 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 | 16.1:1 | ▲ 15% | 14:1 | 15.7:1 |
| Enrollment | 676 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.1:1
Leaner classes than 37% of US schools, a middle-of-the-pack class size.
676
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
16.1:1
students per teacher
- 15% above state mean
Top 80% in Illinois - lower ratio than 20% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
8.1%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$16,904
per pupil, district-wide
- below Illinois avg of $18,196
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
4
in-school suspensions + 1 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 0.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 52.8%
Hispanic or Latino 16.4%
Asian 13.8%
African American 11.1%
Two or More 5.6%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 52.8% of enrollment.
Student-body diversity index 66.0/100
Simpson diversity index - at 66.0, Southbury Elem School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for Cusd 308 reports $16,904 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Southbury Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oswego High School | Larger | No free-lunch data | Similar S:T ratio |
| Oswego East High School | Larger | No free-lunch data | Similar S:T ratio |
| Traughber Jr High School | Larger | No free-lunch data | Similar S:T ratio |
| Thompson Jr High School | Similar size | No free-lunch data | Similar S:T ratio |
| Lakewood Creek Elementary | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Southbury Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,758
- Students per teacher
- 16.2:1
- Resource Index
- 44/100
- Enrollment
- 1,070
- Students per teacher
- 17.5:1
- Resource Index
- 51/100
- Enrollment
- 832
- Students per teacher
- 15.7:1
- Resource Index
- 42/100
- Enrollment
- 767
- Students per teacher
- 20.2:1
- Resource Index
- 52/100
Similar elementary schools in Oswego
5 comparable elementary schools (grades K-5) serving the same city.
Fox Chase Elementary School
Standard public school
661 students 16.1:1 students per teacher
Prairie Point Elem School
Standard public school
455 students 15.7:1 students per teacher
Churchill Elem School
Standard public school
425 students 13.3:1 students per teacher
Old Post Elementary School
Standard public school
387 students 12.1:1 students per teacher
Hunt Club Elem
Standard public school
357 students 8.7:1 students per teacher
Nationwide elementary 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 (~676 students)
Frequently asked questions about Southbury Elem School
How many students attend Southbury Elem School?
Southbury Elem School has 676 students enrolled. It is an elementary school in Oswego, IL. CCD year-over-year: 581 (2022-23) → 605 (2023-24), nearly flat (+24).
What is the student-teacher ratio at Southbury Elem School?
The student-teacher ratio at Southbury Elem School is 16.1:1, which is 15% higher than the Illinois average of 14:1 and 3% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Southbury Elem School?
The largest demographic group at Southbury Elem School is White at 52.8% of enrollment, in Oswego, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.0/100.
What is the Resource Investment Index for Southbury Elem School?
Southbury Elem School has a Resource Investment Index of 62/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Southbury Elem School rank among elementary schools in Oswego?
By Resource Investment Index, Southbury Elem School ranks #3 of 6 elementary schools in Oswego, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Oswego on the city page.
What other schools are in Cusd 308?
Besides Southbury Elem School, Cusd 308 also operates Oswego High School (2,870 students), Oswego East High School (2,758 students), and Traughber Jr High School (1,070 students). See the Cusd 308 district page for the complete list.