- Enrollment
- 1,308
- Students per teacher
- 17.4:1
- Resource Index
- 20/100
High school (grades 9-12) · Springfield, IL
Springfield Southeast High Sch
Federal NCES profile for Springfield Southeast High Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173708003839
👥 S:T ratio 39
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Springfield Southeast High Sch earns 23/100 on the Resource Investment Index, with class sizes larger than 71% of Illinois schools. It is also one of the largest schools in Illinois.
- #1 of 3
- high schools in Springfield · Resource Index
- 23
- Resource Index · Lower
- 15.2:1
- large classes for Illinois
- 1,229
- students enrolled
Springfield Southeast High Sch has class sizes larger than 71% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Springfield Southeast High Sch ranks #1 of 3 high schools in Springfield, IL.
School address
District: Springfield Sd 186 · Illinois
NCES ID 173708003839 Verify on NCES CCD record →
NCES CCD universe card
School universe 173708003839 · Springfield, IL High · MID · TRAD
1,229 enr · 15.2:1 · RII 23
Nearest enrollment peer: Springfield High School (1,308 students)
Resource Investment Index #1 of 3 high schools in Springfield. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Springfield Southeast High Sch in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Springfield Hi
Springfield High School
1,308 students
- This school
Springfield Southeast High Sch
1,229 students
- Lanphier High
Lanphier High School
1,117 students
- Benjamin Frank
Benjamin Franklin Middle School
709 students
- Early Learning
Early Learning Center
549 students
- Jefferson Midd 517
Jefferson Middle School
517 students
What this shows Springfield Southeast High Sch reports 1,229 students on the CCD universe file.
How Springfield Southeast High Sch compares
Springfield Southeast High Sch on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.2:1 | ▲ 9% | 14:1 | 15.7:1 |
| Enrollment | 1,229 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.2:1
Leaner classes than 45% of US schools, a middle-of-the-pack class size.
1,229
Bigger than 94% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
15.2:1
students per teacher
- 9% above state mean
Top 71% in Illinois - lower ratio than 29% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
71.5%
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
$21,554
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
363
in-school suspensions + 246 out-of-school
Suspension rate: 29.5 per 100 students. Combined in-school and out-of-school rate: 49.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
Student demographics
African American 54.7%
White 30.0%
Two or More 12.4%
Hispanic or Latino 2.1%
Asian 0.6%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%
Largest group: African American at 54.7% of enrollment.
Student-body diversity index 59.5/100
Simpson diversity index - at 59.5, Springfield Southeast High Sch is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 17
Funding & spending
District-wide per-pupil expenditure for Springfield Sd 186, which includes Springfield Southeast High Sch.
$21,554
Per student
+18%
vs Illinois
Avg $18,196
+22%
vs U.S.
Avg $17,658
Revenue mix
Local 46.0%
State 35.9%
Federal 18.1%
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 Springfield Southeast High Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Springfield High School | Similar size | No free-lunch data | Higher S:T ratio |
| Lanphier High School | Similar size | No free-lunch data | Similar S:T ratio |
| Benjamin Franklin Middle School | Smaller | No free-lunch data | Lower S:T ratio |
| Early Learning Center | Smaller | No free-lunch data | Higher S:T ratio |
| Jefferson Middle School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Springfield Southeast High Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,117
- Students per teacher
- 14.9:1
- Resource Index
- 23/100
- Enrollment
- 709
- Students per teacher
- 13.6:1
- Resource Index
- 39/100
- Enrollment
- 549
- Students per teacher
- 17.2:1
- Resource Index
- 31/100
- Enrollment
- 517
- Students per teacher
- 12.9:1
- Resource Index
- 26/100
Similar high schools in Springfield
2 comparable high schools (grades 9-12) serving the same city.
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 (~1,229 students)
Similar student-teacher ratio (~15.2:1)
Frequently asked questions about Springfield Southeast High Sch
How many students attend Springfield Southeast High Sch?
Springfield Southeast High Sch has 1,229 students enrolled. It is a high school in Springfield, IL.
What is the student-teacher ratio at Springfield Southeast High Sch?
The student-teacher ratio at Springfield Southeast High Sch is 15.2:1, which is 9% higher than the Illinois average of 14:1 and 3% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Springfield Southeast High Sch?
The largest demographic group at Springfield Southeast High Sch is African American at 54.7% of enrollment, in Springfield, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.5/100.
What is the Resource Investment Index for Springfield Southeast High Sch?
Springfield Southeast High Sch has a Resource Investment Index of 23/100 (lower 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 Springfield Southeast High Sch rank among high schools in Springfield?
By Resource Investment Index, Springfield Southeast High Sch ranks #1 of 3 high schools in Springfield, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Springfield on the city page.
What other schools are in Springfield Sd 186?
Besides Springfield Southeast High Sch, Springfield Sd 186 also operates Springfield High School (1,308 students), Lanphier High School (1,117 students), and Benjamin Franklin Middle School (709 students). See the Springfield Sd 186 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.