Enrollment
685
Illinois · 2024-25 NCES data
High school (grades 9-12) · Marengo, IL
Marengo High School
Federal NCES profile for Marengo High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 59/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172457002661
👥 S:T ratio 38
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 54
📋 Attendance 33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Marengo High School earns 59/100 on the Resource Investment Index, with class sizes larger than 76% of Illinois schools.
- #1 of 5
- public schools in Marengo · Resource Index
- 59
- Resource Index · Higher
- 15.6:1
- large classes for Illinois
- 685
- students enrolled
Marengo High School has class sizes larger than 76% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Marengo High School ranks #1 of 5 public schools in Marengo, IL.
School address
District: Marengo Chsd 154 · Illinois
NCES ID 172457002661 Verify on NCES CCD record →
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
15.6:1
vs 14:1 Illinois avg
+11% vs state
Student-teacher ratio in context
How Marengo High School compares with Illinois and U.S. medians
What stands out at Marengo High School
Marengo High School is a large high school in Marengo, Illinois, enrolling 685 students.
Class loads run somewhat heavier than typical: 15.6:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 685 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (67%) and Hispanic or Latino (29%) (diversity index 46/100).
On the academic-pipeline side it reports 22 Advanced Placement courses.
Counselor coverage is strong, about 228 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 26.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Marengo Chsd 154 operates only this one school, so Marengo High School has no district-mates to compare against locally.
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 Marengo High School compares
Marengo 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 | 15.6:1 | ▲ 11% | 14:1 | 15.7:1 |
| Enrollment | 685 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
685
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
15.6:1
students per teacher
- 11% above state mean
Top 76% in Illinois - lower ratio than 24% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
26.7%
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
$18,701
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 228 students, the combined health-and-guidance staffing load for this school.
Discipline context
59
in-school suspensions + 36 out-of-school
Suspension rate: 8.6 per 100 students. Combined in-school and out-of-school rate: 13.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 67.3%
Hispanic or Latino 28.9%
Two or More 2.3%
African American 1.0%
Asian 0.3%
American Indian / Alaska Native 0.1%
Largest group: White at 67.3% of enrollment.
Student-body diversity index 46.3/100
Simpson diversity index - at 46.3, Marengo High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 22
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Marengo Chsd 154, which includes Marengo High School.
$18,701
Per student
+10%
vs Illinois
Avg $17,042
+13%
vs U.S.
Avg $16,593
Revenue mix
Local 66.3%
State 26.9%
Federal 6.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
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 (~685 students)
Similar student-teacher ratio (~15.6:1)
Next steps
Verify locally before acting on Marengo High School's federal record.
- Compare Marengo High School against another school. Compare schools
- Marengo Chsd 154'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 Marengo High School
How many students attend Marengo High School?
Marengo High School has 685 students enrolled. It is a high school in Marengo, IL.
What is the student-teacher ratio at Marengo High School?
The student-teacher ratio at Marengo High School is 15.6:1, 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 Marengo High School?
The largest demographic group at Marengo High School is White at 67.3% of enrollment, in Marengo, IL.
What is the Resource Investment Index for Marengo High School?
Marengo High School has a Resource Investment Index of 59/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Marengo High School rank among public schools in Marengo?
By Resource Investment Index, Marengo High School ranks #1 of 5 public schools in Marengo, 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 Marengo on the city page.
Is Marengo High School a good school?
Marengo High School earns 59/100 on the Resource Investment Index, with class sizes larger than 76% of Illinois schools. 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 Marengo Chsd 154?
None reported; Marengo Chsd 154 operates only Marengo High School as a public school district in NCES's records.
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.