High school (grades 9-12) · Chicago, IL

Raby High School

Federal NCES profile for Raby High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 170993005075
0/100100/10049/100
👥 S:T ratio
80
📚 AP courses
10
🌟 Gifted program
30
🎓 Counselors
74
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Raby High School earns 49/100 on the Resource Investment Index, with class sizes smaller than 99% of Illinois schools.

#2 of 130
high schools in Chicago · Resource Index
49
Resource Index · Higher
5.1:1
small classes for Illinois
128
students enrolled

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.

School address

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

Student-teacher ratio in context

How Raby High School compares with Illinois and U.S. medians

Smaller classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Raby High School

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

How Raby High School compares

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

5.1:1
Leaner classes than 98% of US schools, among the more generously staffed nationally.
128
Bigger than 13% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Staffing depth
5.1:1
students per teacher - 64% below state mean
Top 1% in Illinois - lower ratio than 100% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$21,050
per pupil, district-wide - above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 128 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 69 out-of-school
Suspension rate: 10.9 per 100 students. Combined in-school and out-of-school rate: 64.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.

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

African American 85.9%
Hispanic or Latino 12.5%
White 0.8%
American Indian / Alaska Native 0.8%

Largest group: African American at 85.9% of enrollment.

Student-body diversity index 24.6/100

Simpson diversity index - at 24.6, Raby High School is less mixed than the Illinois school average of 38.9.

Programs

AP program Not offered

Funding & spending

District-wide per-pupil expenditure for City of Chicago Sd 299, which includes Raby High School.

$21,050
Per student
+24%
vs Illinois
Avg $17,042
+27%
vs U.S.
Avg $16,593
Revenue mix
Local 52.8%
State 29.9%
Federal 17.4%

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 Raby High School Compares to District-Mates

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.

Other Schools in This District

City Of Chicago Sd 299 · 5 sibling schools

View district profile

Similar high schools in Chicago

6 comparable high schools (grades 9-12) serving the same city.

Similar high 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.

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.

Frequently asked questions about Raby High School

How many students attend Raby High School?

Raby High School has 128 students enrolled. It is a high school in Chicago, IL.

What is the student-teacher ratio at Raby High School?

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.

What is the racial and ethnic makeup of Raby High School?

The largest demographic group at Raby High School is African American at 85.9% of enrollment, in Chicago, IL.

What is the Resource Investment Index for Raby High School?

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).

How does Raby High School rank among high schools in Chicago?

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.

Is Raby High School a good school?

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.

What other schools are in City of Chicago Sd 299?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.