- Enrollment
- 649
- Students per teacher
- 15.1:1
- Resource Index
- 65/100
Other / mixed grade configuration · Washington, IL
Central Primary Sch
Federal NCES profile for Central Primary Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 170915006096
👥 S:T ratio 18
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 83
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Central Primary Sch earns 33/100 on the Resource Investment Index, with class sizes larger than 96% of Illinois schools.
- #3 of 3
- schools in Washington · Resource Index
- 33
- Resource Index · Typical
- 20.6:1
- large classes for Illinois
- 700
- students enrolled
Central Primary Sch has class sizes larger than 96% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Central Primary Sch ranks #3 of 3 schools in Washington, IL.
School address
District: Central Sd 51 · Illinois
NCES ID 170915006096 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+139 students YoY
Central Primary Sch grew from 546 students in 2022-23 to 685 in 2023-24 (+25.5%).
Teacher FTE added 34.9 → 42.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+139 students YoY 170915006096 · Washington, IL Other · MID · TRAD
700 enr · 20.6:1 · RII 33
Nearest enrollment peer: Central Intermediate Sch (649 students)
Central Primary Sch grew from 546 students in 2022-23 to 685 in 2023-24 (+25.5%). Teacher FTE added 34.9 → 42.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Central Primary Sch compares
Central Primary Sch is a growing campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.6:1 | ▲ 47% | 14:1 | 15.7:1 |
| Enrollment | 700 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.6:1
Leaner classes than 14% of US schools, heavier class loads than most.
700
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
20.6:1
students per teacher
- 47% above state mean
Top 96% in Illinois - lower ratio than 4% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
6.9%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$11,560
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
Counselors1.0 FTE
Per 700 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 84.9%
Hispanic or Latino 5.4%
Two or More 5.0%
African American 3.3%
Asian 1.1%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 84.9% of enrollment.
Student-body diversity index 27.3/100
Simpson diversity index - at 27.3, Central Primary Sch is less mixed than the Illinois school average of 38.9.
Programs
District finance for Central Sd 51 reports $11,560 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Central Primary Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central Intermediate Sch | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Central Primary Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar other schools in Washington
2 comparable other schools (grades Mixed) serving the same city.
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 (~700 students)
Similar student-teacher ratio (~20.6:1)
Frequently asked questions about Central Primary Sch
How many students attend Central Primary Sch?
Central Primary Sch has 700 students enrolled. It is a public school in Washington, IL. CCD year-over-year: 546 (2022-23) → 685 (2023-24), up 139.
What is the student-teacher ratio at Central Primary Sch?
The student-teacher ratio at Central Primary Sch is 20.6:1, which is 47% higher than the Illinois average of 14:1 and 31% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Central Primary Sch?
The largest demographic group at Central Primary Sch is White at 84.9% of enrollment, in Washington, IL.
What is the Resource Investment Index for Central Primary Sch?
Central Primary Sch has a Resource Investment Index of 33/100 (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 Central Primary Sch rank among schools in Washington?
By Resource Investment Index, Central Primary Sch ranks #3 of 3 schools in Washington, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Washington on the city page.
What other schools are in Central Sd 51?
Besides Central Primary Sch, Central Sd 51 also operates Central Intermediate Sch (649 students). See the Central Sd 51 district page for the complete list.