- Enrollment
- 330
- Students per teacher
- 10.3:1
- Resource Index
- 37/100
Elementary school (grades K-5) · O Fallon, IL
Joseph Arthur Middle School
Federal NCES profile for Joseph Arthur Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170917006007
👥 S:T ratio 20
🌟 Gifted program 30
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Joseph Arthur Middle School earns 26/100 on the Resource Investment Index, with class sizes larger than 95% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #10 of 10
- public schools in O Fallon · Resource Index
- 26
- Resource Index · Lower
- 19.9:1
- large classes for Illinois
- 299
- students enrolled
Joseph Arthur Middle School has class sizes larger than 95% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Joseph Arthur Middle School ranks #10 of 10 public schools in O Fallon, IL.
School address
District: Central Sd 104 · Illinois
NCES ID 170917006007 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+18 students YoY
Joseph Arthur Middle School grew from 234 students in 2022-23 to 252 in 2023-24 (+7.7%).
Teacher FTE added 15.8 → 20.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+18 students YoY 170917006007 · O Fallon, IL Elementary · SMALL · TRAD
299 enr · 19.9:1 · RII 26
Nearest enrollment peer: Central Elem School (330 students)
Joseph Arthur Middle School grew from 234 students in 2022-23 to 252 in 2023-24 (+7.7%). Teacher FTE added 15.8 → 20.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Joseph Arthur Middle School compares
Joseph Arthur Middle School 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 | 19.9:1 | ▲ 42% | 14:1 | 15.7:1 |
| Enrollment | 299 | top 64% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.9:1
Leaner classes than 16% of US schools, heavier class loads than most.
299
Bigger than 32% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
19.9:1
students per teacher
- 42% above state mean
Top 95% in Illinois - lower ratio than 5% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
28.8%
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
$15,837
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
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. Includes 6 expulsions.
Student demographics
White 38.1%
African American 35.5%
Hispanic or Latino 10.4%
Two or More 9.4%
Asian 5.0%
Native Hawaiian / Pacific Islander 1.3%
American Indian / Alaska Native 0.3%
Largest group: White at 38.1% of enrollment.
Student-body diversity index 70.6/100
Simpson diversity index - at 70.6, Joseph Arthur Middle School is more mixed than the Illinois school average of 38.9.
Programs
District finance for Central Sd 104 reports $15,837 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Joseph Arthur Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central Elem School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Joseph Arthur Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar elementary schools in O Fallon
1 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 (~299 students)
Frequently asked questions about Joseph Arthur Middle School
How many students attend Joseph Arthur Middle School?
Joseph Arthur Middle School has 299 students enrolled. It is an elementary school in O Fallon, IL. CCD year-over-year: 234 (2022-23) → 252 (2023-24), up 18.
What is the student-teacher ratio at Joseph Arthur Middle School?
The student-teacher ratio at Joseph Arthur Middle School is 19.9:1, which is 42% higher than the Illinois average of 14:1 and 27% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Joseph Arthur Middle School?
The largest demographic group at Joseph Arthur Middle School is White at 38.1% of enrollment, in O Fallon, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.6/100.
What is the Resource Investment Index for Joseph Arthur Middle School?
Joseph Arthur Middle School has a Resource Investment Index of 26/100 (lower 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 Joseph Arthur Middle School rank among public schools in O Fallon?
By Resource Investment Index, Joseph Arthur Middle School ranks #10 of 10 public schools in O Fallon, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in O Fallon on the city page.
What other schools are in Central Sd 104?
Besides Joseph Arthur Middle School, Central Sd 104 also operates Central Elem School (330 students). See the Central Sd 104 district page for the complete list.