Public school / Middle
Dorris Intermediate Sch
Collinsville, Illinois
- NCES ID
- 171065005632
- District
- Collinsville CUSD 10
- School type
- Regular
- Title I
- Not designated
Dorris Intermediate Sch is a public middle school in Collinsville, Illinois, run by Collinsville CUSD 10. It enrols 884 students — the 11279th largest of 4,435 public schools in Illinois.
Reported figures, 2022–2023
The Common Core of Data is a directory collection: it records size and staffing, not achievement. Nothing here says whether a school is good.
Enrollment
884
Teachers
62.0
Students per teacher
14.3
Free or reduced-price lunch
62.3%
How these figures are defined
Enrollment
Students reported in the autumn headcount. Size is not quality — it is here because it is the figure every other one has to be read against, and because a school of 90 and a school of 4,000 are not comparable on anything else.
Teachers
Classroom teachers in full-time equivalents, so a half-time teacher counts as 0.5. Non-teaching staff are excluded.
Students per teacher
Enrollment divided by teacher FTE. It is not class size: it counts every teacher against every student, including specialists who never take a full class. A school can have 15 students per teacher and 30 in the room.
Free or reduced-price lunch
Share of students eligible for free or reduced-price meals — the most widely used proxy for concentrated poverty in a school. Districts under community eligibility report all students as eligible, which inflates the figure and makes cross-district comparison unreliable.
Within Collinsville CUSD 10
Schools in the same district, which is the comparison the data actually supports — a peer group defined by who runs them rather than by whichever names sort nearby.
- 1Collinsville High School1,978 students
- 2Collinsville Middle School950 students
- 3Dorris Intermediate Sch884 students
- 4John A Renfro Elementary School513 students
- 5Maryville Elem School383 students
- 6Kreitner Elem School373 students
- 7Webster Elementary School348 students
- 8Caseyville Elementary School321 students
- Enrollment+118.8%
- Teachers+138.5%
- Students per teacher+4.4%
- Free or reduced-price lunch+16.7%
Where this sits
Geographic context
District
Sources & licence
Collected by the National Center for Education Statistics. Nothing here is edited, interpolated or estimated.
Provenance
- National Center for Education Statistics
- Common Core of Data — school and district directory