- Enrollment
- 812
- Students per teacher
- 11.9:1
- Resource Index
- 32/100
Middle school (grades 6-8) · Plainfield, IL
Troy Middle School
Federal NCES profile for Troy Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Troy Middle School earns 26/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #8 of 8
- middle schools in Plainfield · Resource Index
- 26
- Resource Index · Lower
- 12.8:1
- students per teacher
- 881
- students enrolled
Troy Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Troy Middle School ranks #8 of 8 middle schools in Plainfield, IL.
School address
NCES ID 173951003996 Verify on NCES CCD record →
NCES CCD universe card
School universe 173951003996 · Plainfield, IL Middle · MID · TRAD
881 enr · 12.8:1 · RII 26
Nearest enrollment peer: Orenic Intermediate School (812 students)
Resource Investment Index #8 of 8 middle schools in Plainfield. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Troy Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Troy Middle School
881 students
- Orenic Interme
Orenic Intermediate School
812 students
- Troy Craughwel
Troy Craughwell School
526 students
- Troy Heritage
Troy Heritage Trail School
480 students
- Troy Cronin El
Troy Cronin Elem School
466 students
- Troy Hofer Ele
Troy Hofer Elem Sch
436 students
What this shows Troy Middle School reports 881 students on the CCD universe file.
How Troy Middle School compares
Troy 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 | 12.8:1 | ▼ 9% | 14:1 | 15.7:1 |
| Enrollment | 881 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators (what these measure)
Student demographics
Largest group: White at 39.0% of enrollment.
Simpson diversity index - at 67.4, Troy Middle School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Troy Ccsd 30c, which includes Troy Middle School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Troy Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Orenic Intermediate School | Similar size | No free-lunch data | Similar S:T ratio |
| Troy Craughwell School | Smaller | No free-lunch data | Higher S:T ratio |
| Troy Heritage Trail School | Smaller | No free-lunch data | Higher S:T ratio |
| Troy Cronin Elem School | Smaller | No free-lunch data | Lower S:T ratio |
| Troy Hofer Elem Sch | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Troy Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 526
- Students per teacher
- 15.9:1
- Resource Index
- 36/100
- Enrollment
- 480
- Students per teacher
- 14.5:1
- Resource Index
- 35/100
- Enrollment
- 466
- Students per teacher
- 10.4:1
- Resource Index
- 42/100
- Enrollment
- 436
- Students per teacher
- 12.5:1
- Resource Index
- 43/100
Similar middle schools in Plainfield
6 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~881 students)
Frequently asked questions about Troy Middle School
How many students attend Troy Middle School?
Troy Middle School has 881 students enrolled. It is a middle school in Plainfield, IL.
What is the student-teacher ratio at Troy Middle School?
The student-teacher ratio at Troy Middle School is 12.8:1, which is 9% lower than the Illinois average of 14:1 and 18% 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 Troy Middle School?
The largest demographic group at Troy Middle School is White at 39.0% of enrollment, in Plainfield, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.4/100.
What is the Resource Investment Index for Troy Middle School?
Troy Middle School has a Resource Investment Index of 26/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Troy Middle School rank among middle schools in Plainfield?
By Resource Investment Index, Troy Middle School ranks #8 of 8 middle schools in Plainfield, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Plainfield on the city page.
What other schools are in Troy Ccsd 30c?
Besides Troy Middle School, Troy Ccsd 30c also operates Orenic Intermediate School (812 students), Troy Craughwell School (526 students), and Troy Heritage Trail School (480 students). See the Troy Ccsd 30c district page for the complete list.
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, the data changelog, or report a data error. Data current as of August 2026.