- Enrollment
- 943
- Students per teacher
- 15.2:1
- Resource Index
- 46/100
Elementary school (grades K-5) · Frankfort, IL
Chelsea Elem School
Federal NCES profile for Chelsea Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 171570001880
👥 S:T ratio 35
🌟 Gifted program 30
📋 Attendance 73
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chelsea Elem School earns 46/100 on the Resource Investment Index, with class sizes larger than 81% of Illinois schools.
- #1 of 4
- elementary schools in Frankfort · Resource Index
- 46
- Resource Index · Typical
- 16.2:1
- large classes for Illinois
- 893
- students enrolled
Chelsea Elem School has class sizes larger than 81% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Chelsea Elem School ranks #1 of 4 elementary schools in Frankfort, IL.
School address
District: Frankfort Ccsd 157c · Illinois
NCES ID 171570001880 Verify on NCES CCD record →
NCES CCD universe card
School universe 171570001880 · Frankfort, IL Elementary · MID · TRAD
893 enr · 16.2:1 · RII 46
Nearest enrollment peer: Hickory Creek Middle School (943 students)
Resource Investment Index #1 of 4 elementary schools in Frankfort. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Chelsea Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Hickory Creek
Hickory Creek Middle School
943 students
- This school
Chelsea Elem School
893 students
- Grand Prairie
Grand Prairie Elementary School
840 students
What this shows Chelsea Elem School reports 893 students on the CCD universe file.
How Chelsea Elem School compares
Chelsea Elem School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.2:1 | ▲ 16% | 14:1 | 15.7:1 |
| Enrollment | 893 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
893
Bigger than 89% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.2:1
students per teacher
- 16% above state mean
Top 81% in Illinois - lower ratio than 19% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
10.9%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$15,049
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
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 72.7%
Hispanic or Latino 9.1%
Two or More 8.0%
African American 7.7%
Asian 2.6%
Largest group: White at 72.7% of enrollment.
Student-body diversity index 45.0/100
Simpson diversity index - at 45.0, Chelsea Elem School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Frankfort Ccsd 157c, which includes Chelsea Elem School.
$15,049
Per student
-17%
vs Illinois
Avg $18,196
-15%
vs U.S.
Avg $17,658
Revenue mix
Local 76.0%
State 21.7%
Federal 2.2%
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 Chelsea Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hickory Creek Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Grand Prairie Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Chelsea Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 840
- Students per teacher
- 15:1
- Resource Index
- 46/100
Similar elementary schools in Frankfort
3 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 (~893 students)
Frequently asked questions about Chelsea Elem School
How many students attend Chelsea Elem School?
Chelsea Elem School has 893 students enrolled. It is an elementary school in Frankfort, IL.
What is the student-teacher ratio at Chelsea Elem School?
The student-teacher ratio at Chelsea Elem School is 16.2:1, which is 16% higher than the Illinois average of 14:1 and 3% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Chelsea Elem School?
The largest demographic group at Chelsea Elem School is White at 72.7% of enrollment, in Frankfort, IL.
What is the Resource Investment Index for Chelsea Elem School?
Chelsea Elem School has a Resource Investment Index of 46/100 (typical 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 Chelsea Elem School rank among elementary schools in Frankfort?
By Resource Investment Index, Chelsea Elem School ranks #1 of 4 elementary schools in Frankfort, 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 Frankfort on the city page.
What other schools are in Frankfort Ccsd 157c?
Besides Chelsea Elem School, Frankfort Ccsd 157c also operates Hickory Creek Middle School (943 students) and Grand Prairie Elementary School (840 students). See the Frankfort Ccsd 157c 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.