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.

2024-25 NCES dataElementary school (grades K-5)NCES 173174005968
0/100100/10056/100
👥 S:T ratio
37
🌟 Gifted program
70
📋 Attendance
61
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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 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

students

What this shows Thomas Jefferson Elem Sch reports 646 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

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

15.8:1
Leaner classes than 40% of US schools, a middle-of-the-pack class size.
646
Bigger than 76% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Staffing depth
15.8:1
students per teacher - 13% above state mean
Top 77% in Illinois - lower ratio than 23% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,896
per pupil, district-wide - below Illinois avg of $18,196
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
19
in-school suspensions + 6 out-of-school
Suspension rate: 2.9 per 100 students. Combined in-school and out-of-school rate: 3.9 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 39.5%
Hispanic or Latino 28.5%
African American 19.3%
Asian 6.8%
Two or More 5.7%
American Indian / Alaska Native 0.2%

Largest group: White at 39.5% of enrollment.

Student-body diversity index 71.8/100

Simpson diversity index - at 71.8, Thomas Jefferson Elem Sch is more mixed than the Illinois school average of 38.9.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Plainfield Sd 202, which includes Thomas Jefferson Elem Sch.

$15,896
Per student
-13%
vs Illinois
Avg $18,196
-10%
vs U.S.
Avg $17,658
Revenue mix
Local 50.4%
State 43.1%
Federal 6.6%

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

Plainfield Sd 202 · 5 sibling schools

View district profile

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.

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.