Enrollment
646
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Joliet, IL
Federal NCES profile for Thomas Jefferson Elem Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
The verdict
Thomas Jefferson Elem Sch earns 58/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
Thomas Jefferson Elem Sch has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Thomas Jefferson Elem Sch ranks #1 of 20 elementary schools in Joliet, IL.
NCES ID 173174005968 Verify on NCES CCD record →
Enrollment
646
Illinois · 2024-25 NCES data
Teachers (FTE)
41.0
Federal CCD staff survey
Students per teacher
14.1:1
vs 14:1 Illinois avg
+1% vs state
How Thomas Jefferson Elem Sch compares with Illinois and U.S. medians
Slightly above state median
14.1:1 - 0.1 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Thomas Jefferson Elem Sch is a mid-sized elementary school in Joliet, Illinois, enrolling 646 students.
At 14.1:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 646 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index outscores 92% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is led by White (40%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 72/100).
15.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Joliet's elementary schools, it stands alongside Sator Sanchez Elem School (635 students): Thomas Jefferson Elem Sch is larger than that campus by headcount and runs heavier classes (14.1:1 vs 14:1).
Plainfield Sd 202 also operates Plainfield North High School (2,399 students) and Plainfield South High School (2,323 students) alongside Thomas Jefferson 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
Thomas Jefferson 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 | 14.1:1 | ▲ 1% | 14:1 | 15.7:1 |
| Enrollment | 646 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 39.5% of enrollment.
Simpson diversity index - at 71.8, Thomas Jefferson Elem Sch is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Plainfield Sd 202, which includes Thomas Jefferson 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 |
|---|---|---|---|
| Plainfield North High School | Larger | No free-lunch data | Higher S:T ratio |
| Plainfield South High School | Larger | No free-lunch data | Higher S:T ratio |
| Plainfield East High School | Larger | No free-lunch data | Higher S:T ratio |
| Plainfield High School | Larger | No free-lunch data | Higher S:T ratio |
| John F Kennedy Middle Sch | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Thomas Jefferson 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.
Next steps
Verify locally before acting on Thomas Jefferson 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.
Thomas Jefferson Elem Sch has 646 students enrolled. It is an elementary school in Joliet, IL.
The student-teacher ratio at Thomas Jefferson Elem Sch is 14.1:1, which is 1% higher than the Illinois average of 14:1 and 10% lower than the national average of 15.7:1.
The largest demographic group at Thomas Jefferson Elem Sch is White at 39.5% of enrollment, in Joliet, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.8/100.
Thomas Jefferson Elem Sch has a Resource Investment Index of 58/100 (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).
By Resource Investment Index, Thomas Jefferson Elem Sch ranks #1 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.
Thomas Jefferson Elem Sch earns 58/100 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.
Besides Thomas Jefferson Elem 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.