Enrollment
304
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Joliet, IL
Federal NCES profile for Isaac Singleton Elem Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
The verdict
Isaac Singleton Elem Sch earns 32/100 on the Resource Investment Index, with class sizes smaller than 86% of Illinois schools.
Isaac Singleton Elem Sch has class sizes smaller than 86% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Isaac Singleton Elem Sch ranks #10 of 20 elementary schools in Joliet, IL.
NCES ID 172058006191 Verify on NCES CCD record →
Enrollment
304
Illinois · 2024-25 NCES data
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 14:1 Illinois avg
-25% vs state
How Isaac Singleton Elem Sch compares with Illinois and U.S. medians
Smaller classes than state median
10.5:1 - 3.5 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Isaac Singleton Elem Sch is a mid-sized elementary school in Joliet, Illinois, enrolling 304 students.
Classes run notably small here: at 10.5:1, Isaac Singleton Elem Sch is leaner than roughly 86% of Illinois schools and 25% under the state's 14:1 norm, more adult attention per pupil than most peers.
With 304 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (76%) and African American (15%) (diversity index 39/100).
Counselor coverage runs a bit thin, about 304 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 50.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Joliet's elementary schools, it stands alongside Thomas Jefferson Elem Sch (646 students): Isaac Singleton Elem Sch is smaller than that campus by headcount and runs leaner classes (10.5:1 vs 15.8:1).
Joliet Psd 86 also operates Hufford Junior High School (1,072 students) and Washington Jr High & Academy Prgm (724 students) alongside Isaac Singleton Elem 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
Isaac Singleton Elem 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 | 10.5:1 | ▼ 25% | 14:1 | 15.7:1 |
| Enrollment | 304 | top 63% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 76.3% of enrollment.
Simpson diversity index - at 39.3, Isaac Singleton Elem Sch is about as mixed as the Illinois school average of 38.9.
District-wide per-pupil expenditure for Joliet Psd 86, which includes Isaac Singleton Elem Sch.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hufford Junior High School | Larger | No free-lunch data | Higher S:T ratio |
| Washington Jr High & Academy Prgm | Larger | No free-lunch data | Higher S:T ratio |
| Dirksen Junior High School | Larger | No free-lunch data | Higher S:T ratio |
| Sator Sanchez Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Pershing Elem School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Isaac Singleton Elem Sch's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
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.
Next steps
Verify locally before acting on Isaac Singleton Elem Sch's federal record.
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.
Isaac Singleton Elem Sch has 304 students enrolled. It is an elementary school in Joliet, IL.
The student-teacher ratio at Isaac Singleton Elem Sch is 10.5:1, which is 25% lower than the Illinois average of 14:1 and 33% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Isaac Singleton Elem Sch is Hispanic or Latino at 76.3% of enrollment, in Joliet, IL.
Isaac Singleton Elem Sch has a Resource Investment Index of 32/100 (typical 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).
By Resource Investment Index, Isaac Singleton Elem Sch ranks #10 of 20 elementary 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 elementary schools in Joliet on the city page.
Isaac Singleton Elem Sch earns 32/100 on the Resource Investment Index, with class sizes smaller than 86% of 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.
Besides Isaac Singleton Elem Sch, Joliet Psd 86 also operates Hufford Junior High School (1,072 students), Washington Jr High & Academy Prgm (724 students), and Dirksen Junior High School (653 students). See the Joliet Psd 86 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, or report a data error. Data current as of June 2026.
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PlainSchools, “Isaac Singleton Elem Sch, Joliet IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/isaac-singleton-elem-sch-il
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