- Enrollment
- 2,399
- Students per teacher
- 18:1
- Resource Index
- 27/100
Elementary school (grades K-5) · Joliet, IL
Thomas Jefferson Elem Sch
Federal NCES profile for Thomas Jefferson Elem Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
The verdict
Thomas Jefferson Elem Sch earns 56/100 on the Resource Investment Index, with class sizes larger than 77% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #1 of 20
- elementary schools in Joliet · Resource Index
- 56
- Resource Index · Higher
- 15.8:1
- large classes for Illinois
- 646
- students enrolled
Thomas Jefferson Elem Sch has class sizes larger than 77% of Illinois schools. 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.
School address
NCES ID 173174005968 Verify on NCES CCD record →
NCES CCD universe card
School universe 173174005968 · Joliet, IL Elementary · MID · TRAD
646 enr · 15.8:1 · RII 56
Nearest enrollment peer: Plainfield North High School (2,399 students)
Resource Investment Index #1 of 20 elementary schools in Joliet. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Thomas Jefferson Elem Sch in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Plainfield Nor
Plainfield North High School
2,399 students
- Plainfield Sou
Plainfield South High School
2,323 students
- Plainfield Eas
Plainfield East High School
1,825 students
- Plainfield Hig
Plainfield High School
1,800 students
- John F Kennedy 912
John F Kennedy Middle Sch
912 students
- This school 646
Thomas Jefferson Elem Sch
646 students
What this shows Thomas Jefferson Elem Sch reports 646 students on the CCD universe file.
How Thomas Jefferson Elem Sch compares
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 | 15.8:1 | ▲ 13% | 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
Equity indicators (what these measure)
Student demographics
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.
Programs
Funding & spending
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 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Thomas Jefferson Elem Sch Compares to District-Mates
| 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 | 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 | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Thomas Jefferson Elem Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,323
- Students per teacher
- 17:1
- Resource Index
- 32/100
- Enrollment
- 1,825
- Students per teacher
- 15.1:1
- Resource Index
- 29/100
- Enrollment
- 1,800
- Students per teacher
- 14.8:1
- Resource Index
- 28/100
- Enrollment
- 912
- Students per teacher
- 16:1
- Resource Index
- 35/100
Similar elementary schools in Joliet
6 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary 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 (~646 students)
Frequently asked questions about Thomas Jefferson Elem Sch
How many students attend Thomas Jefferson Elem Sch?
Thomas Jefferson Elem Sch has 646 students enrolled. It is an elementary school in Joliet, IL.
What is the student-teacher ratio at Thomas Jefferson Elem Sch?
The student-teacher ratio at Thomas Jefferson Elem Sch is 15.8:1, which is 13% higher than the Illinois average of 14:1 and 1% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Thomas Jefferson Elem Sch?
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.
What is the Resource Investment Index for Thomas Jefferson Elem Sch?
Thomas Jefferson Elem Sch has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thomas Jefferson Elem Sch rank among elementary schools in Joliet?
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.
What other schools are in Plainfield Sd 202?
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.
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.