Enrollment
763
Connecticut · 2024-25 NCES data
Middle school (grades 6-8) · Manchester, CT
Illing Middle School
Federal NCES profile for Illing Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 090231000421
👥 S:T ratio 65
🌟 Gifted program 70
📋 Attendance 33
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Illing Middle School earns 56/100 on the Resource Investment Index, with class sizes smaller than 92% of Connecticut schools. It is also more racially and ethnically mixed than most Connecticut schools.
- #1 of 13
- public schools in Manchester · Resource Index
- 56
- Resource Index · Higher
- 8.7:1
- small classes for Connecticut
- 48.0%
- free-lunch eligible
Illing Middle School has class sizes smaller than 92% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Illing Middle School ranks #1 of 13 public schools in Manchester, CT.
School address
District: Manchester School District · Connecticut
NCES ID 090231000421 Verify on NCES CCD record →
Teachers (FTE)
88.0
Federal CCD staff survey
Students per teacher
8.7:1
vs 12.1:1 Connecticut avg
-28% vs state
Free-lunch eligible
48.0%
vs 36.4% Connecticut avg
+32% vs state
Student-teacher ratio in context
How Illing Middle School compares with Connecticut and U.S. medians
What stands out at Illing Middle School
Illing Middle School is a large middle school in Manchester, Connecticut, enrolling 763 students.
Classes run notably small here: at 8.7:1, Illing Middle School is leaner than roughly 92% of Connecticut schools and 28% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 48.0% of students eligible for free meals.
Enrollment of 763 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Among 130 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #12, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (34%) and White (29%), more mixed than most schools in the state (diversity index 73/100).
Chronic absenteeism is elevated: 26.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 196 in- and out-of-school suspensions were reported for 763 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Manchester School District also operates Manchester High School (1,703 students) and Elisabeth M. Bennet Academy (864 students) alongside Illing 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 Illing Middle School compares
Illing Middle School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.7:1 | ▼ 28% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 48.0% | ▲ 32% | 36.4% | 51.7% |
| Enrollment | 763 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.7:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
763
Bigger than 84% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
48.0%
free-lunch eligible
- 32% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
8.7:1
students per teacher
- 28% below state mean
Top 8% in Connecticut - lower ratio than 92% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
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
$27,647
per pupil, district-wide
- above Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
75
in-school suspensions + 121 out-of-school
Suspension rate: 9.8 per 100 students. Combined in-school and out-of-school rate: 25.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 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 33.6%
White 28.7%
African American 27.1%
Asian 7.6%
Two or More 2.2%
Native Hawaiian / Pacific Islander 0.5%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 33.6% of enrollment.
Student-body diversity index 72.5/100
Simpson diversity index - at 72.5, Illing Middle School is more mixed than the Connecticut school average of 50.5.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Manchester School District, which includes Illing Middle School.
$27,647
Per student
+16%
vs Connecticut
Avg $23,870
+67%
vs U.S.
Avg $16,593
Revenue mix
Local 56.2%
State 34.0%
Federal 9.8%
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.
How Illing Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Manchester High School | Larger | Similar economic need | Similar S:T ratio |
| Elisabeth M. Bennet Academy | Similar size | Similar economic need | Similar S:T ratio |
| Waddell School | Smaller | Similar economic need | Higher S:T ratio |
| Verplanck School | Smaller | Similar economic need | Higher S:T ratio |
| Bowers School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Illing Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,703
- Students per teacher
- 9.6:1
- Resource Index
- 50/100
- Enrollment
- 864
- Students per teacher
- 9.5:1
- Resource Index
- 44/100
- Enrollment
- 476
- Students per teacher
- 10.8:1
- Resource Index
- 35/100
- Enrollment
- 466
- Students per teacher
- 10.4:1
- Resource Index
- 32/100
- Enrollment
- 376
- Students per teacher
- 11.8:1
- Resource Index
- 35/100
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~763 students)
Similar student-teacher ratio (~8.7:1)
Next steps
Verify locally before acting on Illing Middle School's federal record.
- Compare Illing Middle School against another school. Compare schools
- Manchester School District'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 Illing Middle School
How many students attend Illing Middle School?
Illing Middle School has 763 students enrolled. It is a middle school in Manchester, CT.
What is the student-teacher ratio at Illing Middle School?
The student-teacher ratio at Illing Middle School is 8.7:1, which is 28% lower than the Connecticut average of 12.1:1 and 45% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Illing Middle School?
48.0% of students at Illing Middle School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Illing Middle School?
The largest demographic group at Illing Middle School is Hispanic or Latino at 33.6% of enrollment, in Manchester, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.5/100.
What is the Resource Investment Index for Illing Middle School?
Illing Middle School has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Illing Middle School rank among public schools in Manchester?
By Resource Investment Index, Illing Middle School ranks #1 of 13 public schools in Manchester, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Manchester on the city page.
Is Illing Middle School a good school?
Illing Middle School earns 56/100 on the Resource Investment Index, with class sizes smaller than 92% of Connecticut schools. It is also more racially and ethnically mixed than most Connecticut 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 Manchester School District?
Besides Illing Middle School, Manchester School District also operates Manchester High School (1,703 students), Elisabeth M. Bennet Academy (864 students), and Waddell School (476 students). See the Manchester School District 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.