Enrollment
128
Illinois · 2024-25 NCES data
High school (grades 9-12) · Chicago, IL
Federal NCES profile for Raby High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Raby High School earns 49/100 on the Resource Investment Index, with class sizes smaller than 99% of Illinois schools.
Raby High School has class sizes smaller than 99% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Raby High School ranks #2 of 130 high schools in Chicago, IL.
NCES ID 170993005075 Verify on NCES CCD record →
Enrollment
128
Illinois · 2024-25 NCES data
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
5.1:1
vs 14:1 Illinois avg
-64% vs state
How Raby High School compares with Illinois and U.S. medians
Smaller classes than state median
5.1:1 - 8.9 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Raby High School is a small high school in Chicago, Illinois, enrolling 128 students.
Classes run notably small here: at 5.1:1, Raby High School is leaner than roughly 99% of Illinois schools and 64% under the state's 14:1 norm, more adult attention per pupil than most peers.
This is a small campus: fewer students than 92% of Illinois schools, with 128 enrolled.
Its Resource Investment Index outscores 95% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is predominantly African American (86% of enrollment) (diversity index 25/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 128 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding City of Chicago Sd 299 spends $21,050 per pupil, 24% above the Illinois average, a better-resourced district than most.
Its district draws 17.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 83 in- and out-of-school suspensions were reported for 128 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Chicago's high schools, it stands alongside Curie Metropolitan High School (3,099 students): Raby High School is smaller than that campus by headcount and runs leaner classes (5.1:1 vs 16.1:1).
City of Chicago Sd 299 also operates Lane Technical High School (4,604 students) and Taft High School (4,487 students) alongside Raby High School.
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
Raby High School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 5.1:1 | ▼ 64% | 14:1 | 15.7:1 |
| Enrollment | 128 | top 92% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: African American at 85.9% of enrollment.
Simpson diversity index - at 24.6, Raby High School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for City of Chicago Sd 299, which includes Raby High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lane Technical High School | Larger | No free-lunch data | Higher S:T ratio |
| Taft High School | Larger | No free-lunch data | Higher S:T ratio |
| Curie Metropolitan High School | Larger | No free-lunch data | Higher S:T ratio |
| Kenwood Academy High School | Larger | No free-lunch data | Higher S:T ratio |
| Young Magnet High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Raby High School's own figures; each column derives from NCES Common Core of Data.
6 comparable high schools (grades 9-12) serving the same city.
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.
Next steps
Verify locally before acting on Raby High School's federal record.
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.
Raby High School has 128 students enrolled. It is a high school in Chicago, IL.
The student-teacher ratio at Raby High School is 5.1:1, which is 64% lower than the Illinois average of 14:1 and 68% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Raby High School is African American at 85.9% of enrollment, in Chicago, IL.
Raby High School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Raby High School ranks #2 of 130 high schools in Chicago, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Chicago on the city page.
Raby High School earns 49/100 on the Resource Investment Index, with class sizes smaller than 99% of 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.
Besides Raby High School, City of Chicago Sd 299 also operates Lane Technical High School (4,604 students), Taft High School (4,487 students), and Curie Metropolitan High School (3,099 students). See the City of Chicago Sd 299 district page for the complete list.
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.
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PlainSchools, “Raby High School, Chicago IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/raby-high-school-il
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