Enrollment
871
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Collinsville, IL
Dorris Intermediate Sch
Federal NCES profile for Dorris Intermediate Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataElementary school (grades K-5)NCES 171065005632
👥 S:T ratio 44
🌟 Gifted program 30
📋 Attendance 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dorris Intermediate Sch earns 32/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #3 of 4
- elementary schools in Collinsville · Resource Index
- 32
- Resource Index · Typical
- 14:1
- students per teacher
- 871
- students enrolled
Dorris Intermediate Sch has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Dorris Intermediate Sch ranks #3 of 4 elementary schools in Collinsville, IL.
School address
District: Collinsville Cusd 10 · Illinois
NCES ID 171065005632 Verify on NCES CCD record →
Teachers (FTE)
62.0
Federal CCD staff survey
Students per teacher
14:1
vs 14:1 Illinois avg
+0% vs state
Student-teacher ratio in context
How Dorris Intermediate Sch compares with Illinois and U.S. medians
What stands out at Dorris Intermediate Sch
Dorris Intermediate Sch is a large elementary school in Collinsville, Illinois, enrolling 871 students.
At 14:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
By headcount it is one of the larger campuses in Illinois, bigger than 91% of state schools at 871 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (49%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 65/100).
Chronic absenteeism is elevated: 31.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Collinsville Cusd 10 spends $11,740 per pupil, 31% below the Illinois average, a leaner-resourced district than most.
Among Collinsville's elementary schools, it stands alongside Twin Echo Elem School (222 students): Dorris Intermediate Sch is larger than that campus by headcount and runs leaner classes (14:1 vs 15.9:1).
Collinsville Cusd 10 also operates Collinsville High School (1,956 students) and Collinsville Middle School (894 students) alongside Dorris Intermediate Sch.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Dorris Intermediate Sch compares
Dorris Intermediate Sch on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 0% | 14:1 | 15.7:1 |
| Enrollment | 871 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
871
Bigger than 88% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14:1
students per teacher
- 0% above state mean
Top 56% in Illinois - lower ratio than 44% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
31.7%
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
$11,740
per pupil, district-wide
- below Illinois avg of $17,042
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
0
in-school suspensions + 59 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 6.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 48.7%
Hispanic or Latino 28.8%
African American 15.8%
Two or More 5.6%
American Indian / Alaska Native 0.6%
Asian 0.5%
Largest group: White at 48.7% of enrollment.
Student-body diversity index 65.2/100
Simpson diversity index - at 65.2, Dorris Intermediate Sch is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Collinsville Cusd 10, which includes Dorris Intermediate Sch.
$11,740
Per student
-31%
vs Illinois
Avg $17,042
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 46.5%
State 40.3%
Federal 13.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Dorris Intermediate Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Collinsville High School | Larger | No free-lunch data | Higher S:T ratio |
| Collinsville Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| John a Renfro Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| Maryville Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Kreitner Elem School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Dorris Intermediate Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,956
- Students per teacher
- 16.2:1
- Resource Index
- 30/100
- Enrollment
- 894
- Students per teacher
- 14.2:1
- Resource Index
- 22/100
- Enrollment
- 498
- Students per teacher
- 14.2:1
- Resource Index
- 41/100
- Enrollment
- 406
- Students per teacher
- 16.9:1
- Resource Index
- 41/100
- Enrollment
- 378
- Students per teacher
- 12.6:1
- Resource Index
- 46/100
Similar elementary schools in Collinsville
3 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~871 students)
Next steps
Verify locally before acting on Dorris Intermediate Sch's federal record.
- Compare Dorris Intermediate Sch against another school. Compare schools
- Collinsville Cusd 10's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Dorris Intermediate Sch
How many students attend Dorris Intermediate Sch?
Dorris Intermediate Sch has 871 students enrolled. It is an elementary school in Collinsville, IL.
What is the student-teacher ratio at Dorris Intermediate Sch?
The student-teacher ratio at Dorris Intermediate Sch is 14:1, which is 0% higher than the Illinois average of 14:1 and 11% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Dorris Intermediate Sch?
The largest demographic group at Dorris Intermediate Sch is White at 48.7% of enrollment, in Collinsville, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.2/100.
What is the Resource Investment Index for Dorris Intermediate Sch?
Dorris Intermediate Sch has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Dorris Intermediate Sch rank among elementary schools in Collinsville?
By Resource Investment Index, Dorris Intermediate Sch ranks #3 of 4 elementary schools in Collinsville, 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 Collinsville on the city page.
Is Dorris Intermediate Sch a good school?
Dorris Intermediate Sch earns 32/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Collinsville Cusd 10?
Besides Dorris Intermediate Sch, Collinsville Cusd 10 also operates Collinsville High School (1,956 students), Collinsville Middle School (894 students), and John a Renfro Elementary School (498 students). See the Collinsville Cusd 10 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.