- Enrollment
- 324
- Students per teacher
- 12:1
- Resource Index
- 48/100
Other / mixed grade configuration · Port Byron, IL
Riverdale Elem School
Federal NCES profile for Riverdale Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataOther / mixed grade configurationNCES 173393003483
👥 S:T ratio 41
🌟 Gifted program 30
📋 Attendance 89
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Riverdale Elem School earns 53/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #1 of 3
- public schools in Port Byron · Resource Index
- 53
- Resource Index · Higher
- 14.8:1
- students per teacher
- 517
- students enrolled
Riverdale Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Riverdale Elem School ranks #1 of 3 public schools in Port Byron, IL.
School address
District: Riverdale Cusd 100 · Illinois
NCES ID 173393003483 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Riverdale Elem School held near 515 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE added 35.0 → 38.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 173393003483 · Port Byron, IL Other · MID · TRAD
517 enr · 14.8:1 · RII 53
Nearest enrollment peer: Riverdale Sr High School (324 students)
Riverdale Elem School held near 515 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE added 35.0 → 38.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Riverdale Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Riverdale Elem School
517 students
- Riverdale Sr H
Riverdale Sr High School
324 students
- Riverdale Midd
Riverdale Middle School
254 students
What this shows Riverdale Elem School reports 517 students on the CCD universe file.
How Riverdale Elem School compares
Riverdale Elem School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.8:1 | ▲ 6% | 14:1 | 15.7:1 |
| Enrollment | 517 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.8:1
Leaner classes than 49% of US schools, a middle-of-the-pack class size.
517
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
14.8:1
students per teacher
- 6% above state mean
Top 67% in Illinois - lower ratio than 33% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
4.6%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$13,909
per pupil, district-wide
- below Illinois avg of $18,196
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 1 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 86.1%
Hispanic or Latino 8.9%
Two or More 3.7%
African American 0.8%
American Indian / Alaska Native 0.4%
Asian 0.2%
Largest group: White at 86.1% of enrollment.
Student-body diversity index 24.9/100
Simpson diversity index - at 24.9, Riverdale Elem School is less mixed than the Illinois school average of 38.9.
Programs
District finance for Riverdale Cusd 100 reports $13,909 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Riverdale Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Riverdale Sr High School | Smaller | No free-lunch data | Lower S:T ratio |
| Riverdale Middle School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Riverdale Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 254
- Students per teacher
- 15.9:1
- Resource Index
- 46/100
Nationwide other 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 (~517 students)
Frequently asked questions about Riverdale Elem School
How many students attend Riverdale Elem School?
Riverdale Elem School has 517 students enrolled. It is a public school in Port Byron, IL. CCD year-over-year: 513 (2022-23) → 515 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Riverdale Elem School?
The student-teacher ratio at Riverdale Elem School is 14.8:1, which is 6% higher than the Illinois average of 14:1 and 6% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Riverdale Elem School?
The largest demographic group at Riverdale Elem School is White at 86.1% of enrollment, in Port Byron, IL.
What is the Resource Investment Index for Riverdale Elem School?
Riverdale Elem School has a Resource Investment Index of 53/100 (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 Riverdale Elem School rank among public schools in Port Byron?
By Resource Investment Index, Riverdale Elem School ranks #1 of 3 public schools in Port Byron, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Riverdale Cusd 100?
Besides Riverdale Elem School, Riverdale Cusd 100 also operates Riverdale Sr High School (324 students) and Riverdale Middle School (254 students). See the Riverdale Cusd 100 district page for the complete list.