Enrollment
380
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Mount Vernon, IL
Zadok Casey Middle School
Federal NCES profile for Zadok Casey Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 172734002898
👥 S:T ratio 49
🌟 Gifted program 70
🎓 Counselors 62
📋 Attendance 14
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Zadok Casey Middle School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #5 of 9
- public schools in Mount Vernon · Resource Index
- 49
- Resource Index · Higher
- 12.7:1
- students per teacher
- 380
- students enrolled
Zadok Casey Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Zadok Casey Middle School ranks #5 of 9 public schools in Mount Vernon, IL.
School address
District: Mount Vernon Sd 80 · Illinois
NCES ID 172734002898 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
12.7:1
vs 14:1 Illinois avg
-9% vs state
Student-teacher ratio in context
How Zadok Casey Middle School compares with Illinois and U.S. medians
What stands out at Zadok Casey Middle School
Zadok Casey Middle School is a mid-sized middle school in Mount Vernon, Illinois, enrolling 380 students.
Class sizes run a bit leaner than typical: 12.7:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
With 380 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (47%) and African American (31%), more mixed than most schools in the state (diversity index 66/100).
Counselor coverage is strong, about 190 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 34.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 28.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 142 in- and out-of-school suspensions were reported for 380 students in the 2021-22 Civil Rights Data Collection.
Mount Vernon Sd 80 also operates Dr Nick Osborne Primary Center (562 students) and J L Buford Intermediate Ed Ctr (260 students) alongside Zadok Casey Middle 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 Zadok Casey Middle School compares
Zadok Casey Middle 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 | 12.7:1 | ▼ 9% | 14:1 | 15.7:1 |
| Enrollment | 380 | top 49% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.7:1
Leaner classes than 69% of US schools, among the more generously staffed nationally.
380
Bigger than 44% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12.7:1
students per teacher
- 9% below state mean
Top 38% in Illinois - lower ratio than 62% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
34.5%
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
$17,295
per pupil, district-wide
- above Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors2.0 FTE
Per 190 students, the combined health-and-guidance staffing load for this school.
Discipline context
44
in-school suspensions + 98 out-of-school
Suspension rate: 11.6 per 100 students. Combined in-school and out-of-school rate: 37.4 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 46.6%
African American 30.8%
Two or More 15.3%
Hispanic or Latino 3.9%
Asian 3.4%
Largest group: White at 46.6% of enrollment.
Student-body diversity index 66.2/100
Simpson diversity index - at 66.2, Zadok Casey Middle School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Mount Vernon Sd 80, which includes Zadok Casey Middle School.
$17,295
Per student
+1%
vs Illinois
Avg $17,042
+4%
vs U.S.
Avg $16,593
Revenue mix
Local 25.4%
State 45.7%
Federal 28.9%
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.
How Zadok Casey Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dr Nick Osborne Primary Center | Larger | No free-lunch data | Similar S:T ratio |
| J L Buford Intermediate Ed Ctr | Smaller | No free-lunch data | Similar S:T ratio |
| Dr Andy Hall Early Educ Ctr | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Zadok Casey Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 562
- Students per teacher
- 13.4:1
- Resource Index
- 52/100
- Enrollment
- 260
- Students per teacher
- 13:1
- Resource Index
- 54/100
- Enrollment
- 243
- Students per teacher
- 17.4:1
- Resource Index
- 51/100
Similar middle 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 (~380 students)
Next steps
Verify locally before acting on Zadok Casey Middle School's federal record.
- Compare Zadok Casey Middle School against another school. Compare schools
- Mount Vernon Sd 80'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 Zadok Casey Middle School
How many students attend Zadok Casey Middle School?
Zadok Casey Middle School has 380 students enrolled. It is a middle school in Mount Vernon, IL.
What is the student-teacher ratio at Zadok Casey Middle School?
The student-teacher ratio at Zadok Casey Middle School is 12.7:1, which is 9% lower than the Illinois average of 14:1 and 19% 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 Zadok Casey Middle School?
The largest demographic group at Zadok Casey Middle School is White at 46.6% of enrollment, in Mount Vernon, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.2/100.
What is the Resource Investment Index for Zadok Casey Middle School?
Zadok Casey Middle School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Zadok Casey Middle School rank among public schools in Mount Vernon?
By Resource Investment Index, Zadok Casey Middle School ranks #5 of 9 public schools in Mount Vernon, 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 Mount Vernon on the city page.
Is Zadok Casey Middle School a good school?
Zadok Casey Middle School earns 49/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most 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 Mount Vernon Sd 80?
Besides Zadok Casey Middle School, Mount Vernon Sd 80 also operates Dr Nick Osborne Primary Center (562 students), J L Buford Intermediate Ed Ctr (260 students), and Dr Andy Hall Early Educ Ctr (243 students). See the Mount Vernon Sd 80 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.