- Enrollment
- 2,576
- Students per teacher
- 16.8:1
- Resource Index
- 49/100
High school (grades 9-12) · South Elgin, IL
South Elgin High School
Federal NCES profile for South Elgin High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171371005611
👥 S:T ratio 38
🌟 Gifted program 70
🎓 Counselors 33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Elgin High School earns 47/100 on the Resource Investment Index, with class sizes larger than 75% of Illinois schools. It is also one of the largest schools in Illinois.
- #2 of 6
- public schools in South Elgin · Resource Index
- 47
- Resource Index · Typical
- 15.5:1
- large classes for Illinois
- 2,665
- students enrolled
South Elgin High School has class sizes larger than 75% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, South Elgin High School ranks #2 of 6 public schools in South Elgin, IL.
School address
NCES CCD universe card
School universe 171371005611 · South Elgin, IL High · LARGE · TRAD
2,665 enr · 15.5:1 · RII 47
Nearest enrollment peer: Elgin High School (2,576 students)
Resource Investment Index #2 of 6 public schools in South Elgin. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
South Elgin High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
South Elgin High School
2,665 students
- Elgin High Sch
Elgin High School
2,576 students
- Larkin High Sc
Larkin High School
2,174 students
- Bartlett High
Bartlett High School
2,037 students
- Streamwood Hig
Streamwood High School
1,890 students
- Kenyon Woods M 873
Kenyon Woods Middle School
873 students
What this shows South Elgin High School reports 2,665 students on the CCD universe file.
How South Elgin High School compares
South Elgin 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 | 15.5:1 | ▲ 11% | 14:1 | 15.7:1 |
| Enrollment | 2,665 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.5:1
Leaner classes than 42% of US schools, a middle-of-the-pack class size.
2,665
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
15.5:1
students per teacher
- 11% above state mean
Top 75% in Illinois - lower ratio than 25% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$19,216
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors8.0 FTE
Per 333 students, the combined health-and-guidance staffing load for this school.
Discipline context
449
in-school suspensions + 184 out-of-school
Suspension rate: 16.8 per 100 students. Combined in-school and out-of-school rate: 23.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 38.7%
White 38.3%
Asian 12.2%
African American 5.5%
Two or More 4.6%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 38.7% of enrollment.
Student-body diversity index 68.3/100
Simpson diversity index - at 68.3, South Elgin High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 20
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sd U-46, which includes South Elgin High School.
$19,216
Per student
+6%
vs Illinois
Avg $18,196
+9%
vs U.S.
Avg $17,658
Revenue mix
Local 43.9%
State 48.7%
Federal 7.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How South Elgin High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Elgin High School | Similar size | No free-lunch data | Similar S:T ratio |
| Larkin High School | Similar size | No free-lunch data | Similar S:T ratio |
| Bartlett High School | Similar size | No free-lunch data | Similar S:T ratio |
| Streamwood High School | Smaller | No free-lunch data | Similar S:T ratio |
| Kenyon Woods Middle School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to South Elgin High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,174
- Students per teacher
- 16.9:1
- Resource Index
- 47/100
- Enrollment
- 2,037
- Students per teacher
- 14.9:1
- Resource Index
- 51/100
- Enrollment
- 1,890
- Students per teacher
- 16.7:1
- Resource Index
- 37/100
- Enrollment
- 873
- Students per teacher
- 16.2:1
- Resource Index
- 29/100
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 (~2,665 students)
Frequently asked questions about South Elgin High School
How many students attend South Elgin High School?
South Elgin High School has 2,665 students enrolled. It is a high school in South Elgin, IL.
What is the student-teacher ratio at South Elgin High School?
The student-teacher ratio at South Elgin High School is 15.5:1, which is 11% higher than the Illinois average of 14:1 and 1% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of South Elgin High School?
The largest demographic group at South Elgin High School is Hispanic or Latino at 38.7% of enrollment, in South Elgin, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.3/100.
What is the Resource Investment Index for South Elgin High School?
South Elgin High School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does South Elgin High School rank among public schools in South Elgin?
By Resource Investment Index, South Elgin High School ranks #2 of 6 public schools in South Elgin, 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 Elgin on the city page.
What other schools are in Sd U-46?
Besides South Elgin High School, Sd U-46 also operates Elgin High School (2,576 students), Larkin High School (2,174 students), and Bartlett High School (2,037 students). See the Sd U-46 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, the data changelog, or report a data error. Data current as of August 2026.