Enrollment
457
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Rockford, IL
Ellis Elementary School
Federal NCES profile for Ellis Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173451003563
👥 S:T ratio 32
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ellis Elementary School earns 21/100 on the Resource Investment Index, with class sizes larger than 87% of Illinois schools.
- #11 of 27
- elementary schools in Rockford · Resource Index
- 21
- Resource Index · Lower
- 16.9:1
- large classes for Illinois
- 457
- students enrolled
Ellis Elementary School has class sizes larger than 87% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Ellis Elementary School ranks #11 of 27 elementary schools in Rockford, IL.
School address
District: Rockford Sd 205 · Illinois
NCES ID 173451003563 Verify on NCES CCD record →
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
16.9:1
vs 14:1 Illinois avg
+21% vs state
Student-teacher ratio in context
How Ellis Elementary School compares with Illinois and U.S. medians
What stands out at Ellis Elementary School
Ellis Elementary School is a mid-sized elementary school in Rockford, Illinois, enrolling 457 students.
Class loads run heavy: 16.9:1 is larger than about 87% of Illinois schools and 21% above the 14:1 state mean, so each teacher carries more students than is typical.
With 457 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index trails 94% of the 3,845 Illinois schools with a score on record, one of the lower results on this measure.
Its student body is led by African American (67%) and Hispanic or Latino (17%) (diversity index 51/100).
Chronic absenteeism is elevated: 81.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Rockford's elementary schools, it stands alongside Whitehead Elem School (678 students): Ellis Elementary School is smaller than that campus by headcount and runs leaner classes (16.9:1 vs 17.8:1).
Rockford Sd 205 also operates Guilford High School (2,216 students) and Jefferson High School (2,173 students) alongside Ellis Elementary School.
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
How Ellis Elementary School compares
Ellis Elementary 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 | 16.9:1 | ▲ 21% | 14:1 | 15.7:1 |
| Enrollment | 457 | top 36% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.9:1
Leaner classes than 31% of US schools, heavier class loads than most.
457
Bigger than 56% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
16.9:1
students per teacher
- 21% above state mean
Top 87% in Illinois - lower ratio than 13% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
81.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,721
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
2
in-school suspensions + 20 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 4.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
African American 67.0%
Hispanic or Latino 16.6%
Two or More 9.2%
White 7.0%
Asian 0.2%
Largest group: African American at 67.0% of enrollment.
Student-body diversity index 51.0/100
Simpson diversity index - at 51.0, Ellis Elementary School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Rockford Sd 205, which includes Ellis Elementary School.
$17,721
Per student
+4%
vs Illinois
Avg $17,042
+7%
vs U.S.
Avg $16,593
Revenue mix
Local 38.0%
State 49.1%
Federal 13.0%
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.
How Ellis Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Guilford High School | Larger | No free-lunch data | Higher S:T ratio |
| Jefferson High School | Larger | No free-lunch data | Higher S:T ratio |
| Auburn High School | Larger | No free-lunch data | Higher S:T ratio |
| Rockford East High School | Larger | No free-lunch data | Higher S:T ratio |
| Rockford Envrnmntl Science Acad | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Ellis Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,216
- Students per teacher
- 21.9:1
- Resource Index
- 23/100
- Enrollment
- 2,173
- Students per teacher
- 23.6:1
- Resource Index
- 21/100
- Enrollment
- 1,957
- Students per teacher
- 20.4:1
- Resource Index
- 46/100
- Enrollment
- 1,719
- Students per teacher
- 19.1:1
- Resource Index
- 35/100
- Enrollment
- 1,108
- Students per teacher
- 15.8:1
- Resource Index
- 28/100
Similar elementary schools in Rockford
6 comparable elementary schools (grades K-5) serving the same city.
Whitehead Elem School
Standard public school
678 students 17.8:1 students per teacher
Cherry Valley Elementary School
Standard public school
676 students 20.5:1 students per teacher
Barbour Two-Way Lang Immersion
Standard public school
628 students 17.9:1 students per teacher
Constance Lane Elementary School
Standard public school
623 students 18.9:1 students per teacher
Swan Hillman Elem School
Standard public school
581 students 18.2:1 students per teacher
Riverdahl Elem School
Standard public school
535 students 17.8:1 students per teacher
Similar elementary schools statewide
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.
Similar enrollment (~457 students)
Similar student-teacher ratio (~16.9:1)
Next steps
Verify locally before acting on Ellis Elementary School's federal record.
- Compare Ellis Elementary School against another school. Compare schools
- Rockford Sd 205's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Ellis Elementary School
How many students attend Ellis Elementary School?
Ellis Elementary School has 457 students enrolled. It is an elementary school in Rockford, IL.
What is the student-teacher ratio at Ellis Elementary School?
The student-teacher ratio at Ellis Elementary School is 16.9:1, which is 21% higher than the Illinois average of 14:1 and 8% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Ellis Elementary School?
The largest demographic group at Ellis Elementary School is African American at 67.0% of enrollment, in Rockford, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.0/100.
What is the Resource Investment Index for Ellis Elementary School?
Ellis Elementary School has a Resource Investment Index of 21/100 (lower 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).
How does Ellis Elementary School rank among elementary schools in Rockford?
By Resource Investment Index, Ellis Elementary School ranks #11 of 27 elementary schools in Rockford, 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 Rockford on the city page.
Is Ellis Elementary School a good school?
Ellis Elementary School earns 21/100 on the Resource Investment Index, with class sizes larger than 87% 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.
What other schools are in Rockford Sd 205?
Besides Ellis Elementary School, Rockford Sd 205 also operates Guilford High School (2,216 students), Jefferson High School (2,173 students), and Auburn High School (1,957 students). See the Rockford Sd 205 district page for the complete list.
Related tools
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.