- Enrollment
- 411
- Students per teacher
- 14.2:1
- Resource Index
- 29/100
Elementary school (grades K-5) · Aledo, IL
Apollo Elem School
Federal NCES profile for Apollo Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170139500019
👥 S:T ratio 44
🌟 Gifted program 30
🎓 Counselors 28
📋 Attendance 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Apollo Elem School earns 34/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #2 of 3
- public schools in Aledo · Resource Index
- 34
- Resource Index · Typical
- 13.9:1
- students per teacher
- 362
- students enrolled
Apollo Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Apollo Elem School ranks #2 of 3 public schools in Aledo, IL.
School address
District: Mercer County School District 404 · Illinois
NCES ID 170139500019 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+10 students YoY
Apollo Elem School held near 345 students from 2022-23 to 2023-24 (+10 headcount).
Teacher FTE lost 26.6 → 26.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+10 students YoY 170139500019 · Aledo, IL Elementary · SMALL · TRAD
362 enr · 13.9:1 · RII 34
Nearest enrollment peer: Mercer County High School (411 students)
Apollo Elem School held near 345 students from 2022-23 to 2023-24 (+10 headcount). Teacher FTE lost 26.6 → 26.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Apollo Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mercer County
Mercer County High School
411 students
- This school
Apollo Elem School
362 students
- Mercer County
Mercer County Jr High School
270 students
- New Boston Ele
New Boston Elem School
165 students
- Mercer County 66
Mercer County Elc
66 students
What this shows Apollo Elem School reports 362 students on the CCD universe file.
How Apollo Elem School compares
Apollo 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 | 13.9:1 | ▼ 1% | 14:1 | 15.7:1 |
| Enrollment | 362 | top 52% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.9:1
Leaner classes than 58% of US schools, a middle-of-the-pack class size.
362
Bigger than 42% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
13.9:1
students per teacher
- 1% below state mean
Top 55% in Illinois - lower ratio than 45% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
26.0%
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
$15,828
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
Counselors1.0 FTE
Per 362 students, the combined health-and-guidance staffing load for this school.
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 89.2%
Two or More 6.1%
African American 2.5%
Asian 1.1%
Hispanic or Latino 0.8%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 89.2% of enrollment.
Student-body diversity index 20.0/100
Simpson diversity index - at 20.0, Apollo Elem School is less mixed than the Illinois school average of 38.9.
Programs
District finance for Mercer County School District 404 reports $15,828 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Apollo Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mercer County High School | Similar size | No free-lunch data | Similar S:T ratio |
| Mercer County Jr High School | Smaller | No free-lunch data | Lower S:T ratio |
| New Boston Elem School | Smaller | No free-lunch data | Lower S:T ratio |
| Mercer County Elc | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Apollo Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 270
- Students per teacher
- 11.7:1
- Resource Index
- 42/100
- Enrollment
- 165
- Students per teacher
- 8.3:1
- Resource Index
- 32/100
- Enrollment
- 66
- Students per teacher
- 22:1
- Resource Index
- 12/100
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 (~362 students)
Frequently asked questions about Apollo Elem School
How many students attend Apollo Elem School?
Apollo Elem School has 362 students enrolled. It is an elementary school in Aledo, IL. CCD year-over-year: 335 (2022-23) → 345 (2023-24), nearly flat (+10).
What is the student-teacher ratio at Apollo Elem School?
The student-teacher ratio at Apollo Elem School is 13.9:1, which is 1% lower than the Illinois average of 14:1 and 11% 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 Apollo Elem School?
The largest demographic group at Apollo Elem School is White at 89.2% of enrollment, in Aledo, IL.
What is the Resource Investment Index for Apollo Elem School?
Apollo Elem School has a Resource Investment Index of 34/100 (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 Apollo Elem School rank among public schools in Aledo?
By Resource Investment Index, Apollo Elem School ranks #2 of 3 public schools in Aledo, 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 Mercer County School District 404?
Besides Apollo Elem School, Mercer County School District 404 also operates Mercer County High School (411 students), Mercer County Jr High School (270 students), and New Boston Elem School (165 students). See the Mercer County School District 404 district page for the complete list.