- Enrollment
- 783
- Students per teacher
- 10.7:1
- Resource Index
- 36/100
High school (grades 9-12) · Round Lake, IL
Round Lake Senior High School
Federal NCES profile for Round Lake Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173499003668
👥 S:T ratio 45
🌟 Gifted program 30
🎓 Counselors 51
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Round Lake Senior High School earns 32/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #5 of 5
- public schools in Round Lake · Resource Index
- 32
- Resource Index · Typical
- 13.8:1
- students per teacher
- 2,194
- students enrolled
Round Lake Senior High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Round Lake Senior High School ranks #5 of 5 public schools in Round Lake, IL.
School address
District: Round Lake Cusd 116 · Illinois
NCES ID 173499003668 Verify on NCES CCD record →
NCES CCD universe card
School universe 173499003668 · Round Lake, IL High · LARGE · TRAD
2,194 enr · 13.8:1 · RII 32
Nearest enrollment peer: Round Lake Middle School (783 students)
Resource Investment Index #5 of 5 public schools in Round Lake. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Round Lake Senior High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Round Lake Senior High School
2,194 students
- Round Lake Mid 783
Round Lake Middle School
783 students
- Magee Middle S 642
Magee Middle School
642 students
- Raymond Ellis 617
Raymond Ellis Elem School
617 students
- Indian Hill El 529
Indian Hill Elem School
529 students
- Round Lake Bea 491
Round Lake Beach Elem School
491 students
What this shows Round Lake Senior High School reports 2,194 students on the CCD universe file.
How Round Lake Senior High School compares
Round Lake Senior 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 | 13.8:1 | ▼ 1% | 14:1 | 15.7:1 |
| Enrollment | 2,194 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
2,194
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
13.8:1
students per teacher
- 1% below state mean
Top 53% in Illinois - lower ratio than 47% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
40.3%
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
$22,324
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
Counselors9.0 FTE
Per 244 students, the combined health-and-guidance staffing load for this school.
Discipline context
293
in-school suspensions + 155 out-of-school
Suspension rate: 13.4 per 100 students. Combined in-school and out-of-school rate: 20.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Student demographics
Hispanic or Latino 79.8%
White 9.3%
African American 7.2%
Two or More 2.3%
Asian 1.0%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 79.8% of enrollment.
Student-body diversity index 34.9/100
Simpson diversity index - at 34.9, Round Lake Senior High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 16
Funding & spending
District-wide per-pupil expenditure for Round Lake Cusd 116, which includes Round Lake Senior High School.
$22,324
Per student
+23%
vs Illinois
Avg $18,196
+26%
vs U.S.
Avg $17,658
Revenue mix
Local 22.3%
State 62.8%
Federal 14.9%
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 Round Lake Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Round Lake Middle School | Smaller | No free-lunch data | Lower S:T ratio |
| Magee Middle School | Smaller | No free-lunch data | Lower S:T ratio |
| Raymond Ellis Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Indian Hill Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Round Lake Beach Elem School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Round Lake Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 642
- Students per teacher
- 10:1
- Resource Index
- 43/100
- Enrollment
- 617
- Students per teacher
- 14.3:1
- Resource Index
- 34/100
- Enrollment
- 529
- Students per teacher
- 15.6:1
- Resource Index
- 37/100
- Enrollment
- 491
- Students per teacher
- 16.9:1
- Resource Index
- 28/100
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 (~2,194 students)
Frequently asked questions about Round Lake Senior High School
How many students attend Round Lake Senior High School?
Round Lake Senior High School has 2,194 students enrolled. It is a high school in Round Lake, IL.
What is the student-teacher ratio at Round Lake Senior High School?
The student-teacher ratio at Round Lake Senior High School is 13.8:1, which is 1% lower than the Illinois average of 14:1 and 12% 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 Round Lake Senior High School?
The largest demographic group at Round Lake Senior High School is Hispanic or Latino at 79.8% of enrollment, in Round Lake, IL.
What is the Resource Investment Index for Round Lake Senior High School?
Round Lake Senior High School has a Resource Investment Index of 32/100 (typical 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 Round Lake Senior High School rank among public schools in Round Lake?
By Resource Investment Index, Round Lake Senior High School ranks #5 of 5 public schools in Round Lake, 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 Round Lake on the city page.
What other schools are in Round Lake Cusd 116?
Besides Round Lake Senior High School, Round Lake Cusd 116 also operates Round Lake Middle School (783 students), Magee Middle School (642 students), and Raymond Ellis Elem School (617 students). See the Round Lake Cusd 116 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.