Enrollment
309
Illinois · 2024-25 NCES data
High school (grades 9-12) · Eldorado, IL
Eldorado High School
Federal NCES profile for Eldorado High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171366001662
👥 S:T ratio 46
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 69
📋 Attendance 8
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Eldorado High School earns 33/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #1 of 3
- public schools in Eldorado · Resource Index
- 33
- Resource Index · Typical
- 13.4:1
- students per teacher
- 309
- students enrolled
Eldorado High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Eldorado High School ranks #1 of 3 public schools in Eldorado, IL.
School address
District: Eldorado Cusd 4 · Illinois
NCES ID 171366001662 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
13.4:1
vs 14:1 Illinois avg
-4% vs state
Student-teacher ratio in context
How Eldorado High School compares with Illinois and U.S. medians
What stands out at Eldorado High School
Eldorado High School is a mid-sized high school in Eldorado, Illinois, enrolling 309 students.
At 13.4:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
With 309 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is predominantly White (92% of enrollment) (diversity index 16/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 155 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 36.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 64 in- and out-of-school suspensions were reported for 309 students in the 2021-22 Civil Rights Data Collection.
Eldorado Cusd 4 also operates Eldorado Elem School (550 students) and Eldorado Middle School (246 students) alongside Eldorado 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 Eldorado High School compares
Eldorado 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 | 13.4:1 | ▼ 4% | 14:1 | 15.7:1 |
| Enrollment | 309 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.4:1
Leaner classes than 63% of US schools, a middle-of-the-pack class size.
309
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
13.4:1
students per teacher
- 4% below state mean
Top 48% in Illinois - lower ratio than 52% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
36.6%
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.
Support staff
Counselors2.0 FTE
Per 155 students, the combined health-and-guidance staffing load for this school.
Discipline context
37
in-school suspensions + 27 out-of-school
Suspension rate: 12.0 per 100 students. Combined in-school and out-of-school rate: 20.7 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 91.6%
Two or More 4.5%
Hispanic or Latino 2.3%
African American 1.0%
Asian 0.3%
American Indian / Alaska Native 0.3%
Largest group: White at 91.6% of enrollment.
Student-body diversity index 15.8/100
Simpson diversity index - at 15.8, Eldorado High School is less mixed than the Illinois school average of 38.9.
Programs
AP program Not offered
How Eldorado High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eldorado Elem School | Larger | No free-lunch data | Similar S:T ratio |
| Eldorado Middle School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Eldorado High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 550
- Students per teacher
- 14.1:1
- Resource Index
- 38/100
- Enrollment
- 246
- Students per teacher
- 12.3:1
- Resource Index
- 38/100
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 (~309 students)
Similar student-teacher ratio (~13.4:1)
Next steps
Verify locally before acting on Eldorado High School's federal record.
- Compare Eldorado High School against another school. Compare schools
- Eldorado Cusd 4'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 Eldorado High School
How many students attend Eldorado High School?
Eldorado High School has 309 students enrolled. It is a high school in Eldorado, IL.
What is the student-teacher ratio at Eldorado High School?
The student-teacher ratio at Eldorado High School is 13.4:1, which is 4% lower than the Illinois average of 14:1 and 15% 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 Eldorado High School?
The largest demographic group at Eldorado High School is White at 91.6% of enrollment, in Eldorado, IL.
What is the Resource Investment Index for Eldorado High School?
Eldorado High School has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Eldorado High School rank among public schools in Eldorado?
By Resource Investment Index, Eldorado High School ranks #1 of 3 public schools in Eldorado, 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 Eldorado on the city page.
Is Eldorado High School a good school?
Eldorado High School earns 33/100 on the Resource Investment Index, with class sizes near the Illinois median. 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 Eldorado Cusd 4?
Besides Eldorado High School, Eldorado Cusd 4 also operates Eldorado Elem School (550 students) and Eldorado Middle School (246 students). See the Eldorado Cusd 4 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.