Enrollment
844
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Joliet, IL
Aux Sable Middle Sch
Federal NCES profile for Aux Sable Middle Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 173174005862
👥 S:T ratio 33
🌟 Gifted program 30
📋 Attendance 24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Aux Sable Middle Sch earns 29/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #2 of 5
- middle schools in Joliet · Resource Index
- 29
- Resource Index · Lower
- 16.8:1
- large classes for Illinois
- 844
- students enrolled
Aux Sable Middle Sch has class sizes larger than 87% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Aux Sable Middle Sch ranks #2 of 5 middle schools in Joliet, IL.
School address
District: Plainfield Sd 202 · Illinois
NCES ID 173174005862 Verify on NCES CCD record →
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
16.8:1
vs 14:1 Illinois avg
+20% vs state
Student-teacher ratio in context
How Aux Sable Middle Sch compares with Illinois and U.S. medians
What stands out at Aux Sable Middle Sch
Aux Sable Middle Sch is a large middle school in Joliet, Illinois, enrolling 844 students.
Class loads run heavy: 16.8:1 is larger than about 87% of Illinois schools and 20% 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 90% of state schools at 844 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (42%) and Hispanic or Latino (28%), more mixed than most schools in the state (diversity index 70/100).
Chronic absenteeism is elevated: 30.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Among Joliet's middle schools, it stands alongside Hufford Junior High School (1,072 students): Aux Sable Middle Sch is smaller than that campus by headcount and runs heavier classes (16.8:1 vs 15.8:1).
Plainfield Sd 202 also operates Plainfield North High School (2,399 students) and Plainfield South High School (2,323 students) alongside Aux Sable Middle Sch.
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 Aux Sable Middle Sch compares
Aux Sable Middle Sch on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.8:1 | ▲ 20% | 14:1 | 15.7:1 |
| Enrollment | 844 | top 10% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.8:1
Leaner classes than 32% of US schools, heavier class loads than most.
844
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.8:1
students per teacher
- 20% above state mean
Top 87% in Illinois - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
30.5%
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
$15,235
per pupil, district-wide
- below Illinois avg of $17,042
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
106
in-school suspensions + 50 out-of-school
Suspension rate: 12.6 per 100 students. Combined in-school and out-of-school rate: 18.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 expulsions.
Overview
Enrollment 844 Top 10% in Illinois - larger than 90% of 3,845 state schools
Teachers (FTE) 51.0
Students per teacher 16.8:1 +20% vs state
Free-lunch eligible -
NCES ID 173174005862
Student demographics
White 41.9%
Hispanic or Latino 28.1%
African American 18.8%
Two or More 6.0%
Asian 4.5%
American Indian / Alaska Native 0.6%
Largest group: White at 41.9% of enrollment.
Student-body diversity index 70.4/100
Simpson diversity index - at 70.4, Aux Sable Middle Sch is more mixed than the Illinois school average of 38.9.
Programs & staff
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 30.5%
In-school suspensions 106
Out-of-school suspensions 50
Expulsions 4
Funding & spending
District-wide per-pupil expenditure for Plainfield Sd 202, which includes Aux Sable Middle Sch.
$15,235
Per student
-11%
vs Illinois
Avg $17,042
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 50.4%
State 43.1%
Federal 6.6%
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 Aux Sable Middle Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Plainfield North High School | Larger | No free-lunch data | Similar S:T ratio |
| Plainfield South High School | Larger | No free-lunch data | Similar S:T ratio |
| Plainfield East High School | Larger | No free-lunch data | Similar S:T ratio |
| Plainfield High School | Larger | No free-lunch data | Similar S:T ratio |
| John F Kennedy Middle Sch | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Aux Sable Middle Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,399
- Students per teacher
- 17.9:1
- Resource Index
- 27/100
- Enrollment
- 2,323
- Students per teacher
- 17.6:1
- Resource Index
- 31/100
- Enrollment
- 1,825
- Students per teacher
- 16.2:1
- Resource Index
- 28/100
- Enrollment
- 1,800
- Students per teacher
- 16.3:1
- Resource Index
- 26/100
- Enrollment
- 912
- Students per teacher
- 15.9:1
- Resource Index
- 35/100
Similar middle schools in Joliet
4 comparable middle schools (grades 6-8) serving the same city.
Hufford Junior High School
Standard public school
1,072 students 15.8:1 students per teacher
Washington Jr High & Academy Prgm
Standard public school
724 students 14.1:1 students per teacher
Dirksen Junior High School
Standard public school
653 students 12.2:1 students per teacher
Gompers Junior High School
Standard public school
615 students 10.8:1 students per teacher
Next steps
Verify locally before acting on Aux Sable Middle Sch's federal record.
- Compare Aux Sable Middle Sch against another school. Compare schools
- Plainfield Sd 202'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 Aux Sable Middle Sch
How many students attend Aux Sable Middle Sch?
Aux Sable Middle Sch has 844 students enrolled. It is a middle school in Joliet, IL.
What is the student-teacher ratio at Aux Sable Middle Sch?
The student-teacher ratio at Aux Sable Middle Sch is 16.8:1, which is 20% higher than the Illinois average of 14:1 and 7% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Aux Sable Middle Sch?
The largest demographic group at Aux Sable Middle Sch is White at 41.9% of enrollment, in Joliet, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.4/100.
What is the Resource Investment Index for Aux Sable Middle Sch?
Aux Sable Middle Sch has a Resource Investment Index of 29/100 (lower 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 Aux Sable Middle Sch rank among middle schools in Joliet?
By Resource Investment Index, Aux Sable Middle Sch ranks #2 of 5 middle schools in Joliet, 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 Joliet on the city page.
Is Aux Sable Middle Sch a good school?
Aux Sable Middle Sch earns 29/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools. 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 Plainfield Sd 202?
Besides Aux Sable Middle Sch, Plainfield Sd 202 also operates Plainfield North High School (2,399 students), Plainfield South High School (2,323 students), and Plainfield East High School (1,825 students). See the Plainfield Sd 202 district page for the complete list.