Enrollment
2,282
Illinois · 2024-25 NCES data
High school (grades 9-12) · Mundelein, IL
Mundelein Cons High School
Federal NCES profile for Mundelein Cons High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 172757002919
👥 S:T ratio 31
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 43
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mundelein Cons High School earns 53/100 on the Resource Investment Index, with class sizes larger than 88% of Illinois schools. It is also one of the largest schools in Illinois.
- #7 of 12
- public schools in Mundelein · Resource Index
- 53
- Resource Index · Higher
- 17.2:1
- large classes for Illinois
- 2,282
- students enrolled
Mundelein Cons High School has class sizes larger than 88% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Mundelein Cons High School ranks #7 of 12 public schools in Mundelein, IL.
School address
District: Mundelein Cons Hsd 120 · Illinois
NCES ID 172757002919 Verify on NCES CCD record →
Teachers (FTE)
133.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 14:1 Illinois avg
+23% vs state
Student-teacher ratio in context
How Mundelein Cons High School compares with Illinois and U.S. medians
What stands out at Mundelein Cons High School
Mundelein Cons High School is a large high school in Mundelein, Illinois, enrolling 2,282 students.
Class loads run heavy: 17.2:1 is larger than about 88% of Illinois schools and 23% above the 14:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Illinois, bigger than 99% of state schools at 2,282 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (50%) and White (38%), more mixed than most schools in the state (diversity index 61/100).
On the academic-pipeline side it reports 21 Advanced Placement courses.
Counselor coverage runs a bit thin, about 285 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
16.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Mundelein Cons Hsd 120 spends $22,557 per pupil, 32% above the Illinois average, a better-resourced district than most.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Mundelein Cons Hsd 120 operates only this one school, so Mundelein Cons High School has no district-mates to compare against locally. At 2,282 students, it is also among the largest single-school districts in Illinois, well beyond the enrollment of a typical standalone charter.
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 Mundelein Cons High School compares
Mundelein Cons 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 | 17.2:1 | ▲ 23% | 14:1 | 15.7:1 |
| Enrollment | 2,282 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.2:1
Leaner classes than 29% of US schools, heavier class loads than most.
2,282
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
17.2:1
students per teacher
- 23% above state mean
Top 88% in Illinois - lower ratio than 12% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
16.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,557
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors8.0 FTE
Per 285 students, the combined health-and-guidance staffing load for this school.
Discipline context
141
in-school suspensions + 72 out-of-school
Suspension rate: 6.2 per 100 students. Combined in-school and out-of-school rate: 9.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
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
Hispanic or Latino 49.6%
White 37.7%
Two or More 6.3%
Asian 3.8%
African American 2.5%
Largest group: Hispanic or Latino at 49.6% of enrollment.
Student-body diversity index 60.6/100
Simpson diversity index - at 60.6, Mundelein Cons High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 21
Funding & spending
District-wide per-pupil expenditure for Mundelein Cons Hsd 120, which includes Mundelein Cons High School.
$22,557
Per student
+32%
vs Illinois
Avg $17,042
+36%
vs U.S.
Avg $16,593
Revenue mix
Local 70.4%
State 24.1%
Federal 5.5%
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 (~2,282 students)
Similar student-teacher ratio (~17.2:1)
Next steps
Verify locally before acting on Mundelein Cons High School's federal record.
- Compare Mundelein Cons High School against another school. Compare schools
- Mundelein Cons Hsd 120'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 Mundelein Cons High School
How many students attend Mundelein Cons High School?
Mundelein Cons High School has 2,282 students enrolled. It is a high school in Mundelein, IL.
What is the student-teacher ratio at Mundelein Cons High School?
The student-teacher ratio at Mundelein Cons High School is 17.2:1, which is 23% higher than the Illinois average of 14:1 and 10% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Mundelein Cons High School?
The largest demographic group at Mundelein Cons High School is Hispanic or Latino at 49.6% of enrollment, in Mundelein, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.6/100.
What is the Resource Investment Index for Mundelein Cons High School?
Mundelein Cons High School has a Resource Investment Index of 53/100 (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 Mundelein Cons High School rank among public schools in Mundelein?
By Resource Investment Index, Mundelein Cons High School ranks #7 of 12 public schools in Mundelein, 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 Mundelein on the city page.
Is Mundelein Cons High School a good school?
Mundelein Cons High School earns 53/100 on the Resource Investment Index, with class sizes larger than 88% of Illinois schools. It is also one of the largest schools in Illinois. 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 Mundelein Cons Hsd 120?
None reported; Mundelein Cons Hsd 120 operates only Mundelein Cons 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.