- Enrollment
- 258
- Students per teacher
- 12.9:1
- Resource Index
- 42/100
Elementary school (grades K-5) · Rock Falls, IL
Dillon Elementary School
Federal NCES profile for Dillon Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173435003521
👥 S:T ratio 47
🌟 Gifted program 30
🎓 Counselors 44
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dillon Elementary School earns 36/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #3 of 3
- elementary schools in Rock Falls · Resource Index
- 36
- Resource Index · Typical
- 13.2:1
- students per teacher
- 278
- students enrolled
Dillon Elementary School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Dillon Elementary School ranks #3 of 3 elementary schools in Rock Falls, IL.
School address
District: Rock Falls Esd 13 · Illinois
NCES ID 173435003521 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+10 students YoY
Dillon Elementary School held near 259 students from 2022-23 to 2023-24 (+10 headcount).
Teacher FTE held 21.1 → 21.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+10 students YoY 173435003521 · Rock Falls, IL Elementary · SMALL · TRAD
278 enr · 13.2:1 · RII 36
Nearest enrollment peer: Merrill Elem School (258 students)
Dillon Elementary School held near 259 students from 2022-23 to 2023-24 (+10 headcount). Teacher FTE held 21.1 → 21.3 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Dillon Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Dillon Elementary School
278 students
- Merrill Elem S
Merrill Elem School
258 students
- Rock Falls Mid
Rock Falls Middle School
246 students
- Riverdale Pres
Riverdale Preschool Center
145 students
What this shows Dillon Elementary School reports 278 students on the CCD universe file.
How Dillon Elementary School compares
Dillon Elementary 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 | 13.2:1 | ▼ 6% | 14:1 | 15.7:1 |
| Enrollment | 278 | top 68% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.2:1
Leaner classes than 65% of US schools, a middle-of-the-pack class size.
278
Bigger than 29% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
13.2:1
students per teacher
- 6% below state mean
Top 45% in Illinois - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
30.6%
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
$18,477
per pupil, district-wide
- above Illinois avg of $18,196
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 278 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 4 out-of-school
Suspension rate: 2.5 per 100 students. Combined in-school and out-of-school rate: 4.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 60.4%
Hispanic or Latino 27.7%
Two or More 7.2%
African American 4.0%
Asian 0.7%
Largest group: White at 60.4% of enrollment.
Student-body diversity index 55.2/100
Simpson diversity index - at 55.2, Dillon Elementary School is more mixed than the Illinois school average of 38.9.
Programs
District finance for Rock Falls Esd 13 reports $18,477 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Dillon Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Merrill Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Rock Falls Middle School | Similar size | No free-lunch data | Lower S:T ratio |
| Riverdale Preschool Center | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Dillon Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 246
- Students per teacher
- 11.7:1
- Resource Index
- 33/100
- Enrollment
- 145
- Students per teacher
- 36.3:1
- Resource Index
- 15/100
Similar elementary schools in Rock Falls
2 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 (~278 students)
Frequently asked questions about Dillon Elementary School
How many students attend Dillon Elementary School?
Dillon Elementary School has 278 students enrolled. It is an elementary school in Rock Falls, IL. CCD year-over-year: 249 (2022-23) → 259 (2023-24), nearly flat (+10).
What is the student-teacher ratio at Dillon Elementary School?
The student-teacher ratio at Dillon Elementary School is 13.2:1, which is 6% lower than the Illinois average of 14:1 and 16% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Dillon Elementary School?
The largest demographic group at Dillon Elementary School is White at 60.4% of enrollment, in Rock Falls, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.2/100.
What is the Resource Investment Index for Dillon Elementary School?
Dillon Elementary School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Dillon Elementary School rank among elementary schools in Rock Falls?
By Resource Investment Index, Dillon Elementary School ranks #3 of 3 elementary schools in Rock Falls, 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 Rock Falls on the city page.
What other schools are in Rock Falls Esd 13?
Besides Dillon Elementary School, Rock Falls Esd 13 also operates Merrill Elem School (258 students), Rock Falls Middle School (246 students), and Riverdale Preschool Center (145 students). See the Rock Falls Esd 13 district page for the complete list.