2024-25 NCES data High school (grades 9-12) NCES 170993001114

Senn High School — Chicago, IL

Federal NCES profile for Senn High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 34/100.

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0/100100/10034/100
👥 Class size
40
📚 AP courses
50
🌟 Gifted program
30
🎓 Counselors
48
📋 Attendance
0
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →

The verdict

Senn High School earns an F Resource Investment Index (34/100), with class sizes near the Illinois median.

F
Resource Index · 34/100
14.9:1
students per teacher
1,571
students enrolled

School address

Chicago, IL 60660
District: City of Chicago Sd 299 · Illinois

Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.

Enrollment

1,571

Illinois · 2024-25 NCES data

Teachers (FTE)

106.0

Federal CCD staff survey

Students per teacher

14.9:1

vs 14.6:1 Illinois avg

+2% vs state

Student-teacher ratio in context

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

Slightly above state median
0:135:114.9:1

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

The federal record — no proprietary index, no editorial formula. PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.

What this school's NCES data tells you

Senn High School reports 1,571 enrolled students to the National Center for Education Statistics (NCES) alongside 106.0 full-time-equivalent teachers, producing a 14.9:1 student-teacher ratio. That figure sits 2% above the Illinois state mean of 14.6:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.7:1, it is 5% lower, a useful calibration for families comparing districts across state lines.

The school offers 10 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 262 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 60.5% according to the 2021-22 Civil Rights Data Collection.

On the finance side, the surrounding City of Chicago Sd 299 spends $21,050 per pupil district-wide, above the Illinois average of $17,042 and above the national average of $16,593. Revenue comes 52.8% from local sources (property taxes), 29.9% from the state, and 17.4% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 34/100 (F), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Senn High School compares

Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.

Metric This school vs Illinois Illinois avg U.S. avg
Students per teacher 14.9:1 ▲ 2% 14.6:1 15.7:1
Enrollment 1,571 top 96% — —

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

Class size vs. every US school

Students per teacher (lower means more individual attention)

15 smaller classes than 50% of 92,598 US schools

0–2: 295 US schools (0%). Below this entry. 2–4: 597 US schools (1%). Below this entry. 4–6: 1,033 US schools (1%). Below this entry. 6–8: 1,939 US schools (2%). Below this entry. 8–10: 4,805 US schools (5%). Below this entry. 10–12: 11,082 US schools (12%). Below this entry. 12–14: 16,971 US schools (18%). Below this entry. 14–16: 18,959 US schools (20%). This entry sits in this band. 16–18: 13,660 US schools (15%). Above this entry. 18–20: 8,300 US schools (9%). Above this entry. 20–22: 5,448 US schools (6%). Above this entry. 22–24: 4,007 US schools (4%). Above this entry. 24–26: 2,663 US schools (3%). Above this entry. 26–28: 1,131 US schools (1%). Above this entry. 28–30: 504 US schools (1%). Above this entry. 30–32: 307 US schools (0%). Above this entry. 32–34: 189 US schools (0%). Above this entry. 34–36: 141 US schools (0%). Above this entry. 36–38: 93 US schools (0%). Above this entry. 38–40: 94 US schools (0%). Above this entry. 40–42: 59 US schools (0%). Above this entry. 42–44: 46 US schools (0%). Above this entry. 44–46: 56 US schools (0%). Above this entry. 46–48: 58 US schools (0%). Above this entry. 48–50: 34 US schools (0%). Above this entry. 50–52: 37 US schools (0%). Above this entry. 52–54: 30 US schools (0%). Above this entry. 54–56: 15 US schools (0%). Above this entry. 56–58: 25 US schools (0%). Above this entry. 58–60: 20 US schools (0%). Above this entry. This school 0 60 every US school, by class size, bucketed by value

Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Department of Education — NCES Common Core of Data · 2024-25

School size vs. every US school

Total enrollment — where this school sits by size (neither large nor small is 'better')

1,571 larger than 96% of 95,891 US schools

0–150: 14,035 US schools (15%). Below this entry. 150–300: 16,928 US schools (18%). Below this entry. 300–450: 21,633 US schools (23%). Below this entry. 450–600: 17,006 US schools (18%). Below this entry. 600–750: 10,042 US schools (10%). Below this entry. 750–900: 5,568 US schools (6%). Below this entry. 900–1,050: 3,006 US schools (3%). Below this entry. 1,050–1,200: 1,826 US schools (2%). Below this entry. 1,200–1,350: 1,220 US schools (1%). Below this entry. 1,350–1,500: 908 US schools (1%). Below this entry. 1,500–1,650: 692 US schools (1%). This entry sits in this band. 1,650–1,800: 607 US schools (1%). Above this entry. 1,800–1,950: 502 US schools (1%). Above this entry. 1,950–2,100: 432 US schools (0%). Above this entry. 2,100–2,250: 346 US schools (0%). Above this entry. 2,250–2,400: 252 US schools (0%). Above this entry. 2,400–2,550: 203 US schools (0%). Above this entry. 2,550–2,700: 163 US schools (0%). Above this entry. 2,700–2,850: 115 US schools (0%). Above this entry. 2,850–3,000: 85 US schools (0%). Above this entry. This school 0 3,000 every US school, by enrollment, bucketed by value

Each bar is a band; taller bars hold more US schools. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Department of Education — NCES Common Core of Data · 2024-25

What the federal data reveals about equity at this school

Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.

Staffing depth
14.9:1
students per teacher — 2% above state mean
Top 69% in Illinois — lower ratio than 31% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
60.5%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$21,050
per pupil, district-wide — above Illinois avg of $17,042
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 262 students — the combined health-and-guidance staffing load for this school.
Discipline context
20
in-school suspensions + 53 out-of-school
Suspension rate: 1.3 per 100 students. Combined in-school and out-of-school rate: 4.6 per 100 students. Reported via the Civil Rights Data Collection.

Overview

Enrollment 1,571 Top 96% in Illinois — larger than 4% of 3,845 state schools
Teachers (FTE) 106.0
Students per teacher 14.9:1 +2% vs state
Free-lunch eligible —
NCES ID 170993001114

Student demographics

Hispanic or Latino 39.7%
African American 23.9%
White 18.2%
Asian 14.2%
Two or More 3.2%
American Indian / Alaska Native 0.7%
Native Hawaiian / Pacific Islander 0.1%

Largest group: Hispanic or Latino at 39.7% of enrollment.

Programs & staff

AP courses offered 10
Counselors (FTE) 6.0
Students per counselor 262:1

Discipline & special education

Chronically absent 60.5%
In-school suspensions 20
Out-of-school suspensions 53

Funding & spending

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

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.

Curie Metropolitan High School
Standard public school
3,099 students 16.5:1 students per teacher
Lincoln Park High School
Standard public school
2,214 students 15.5:1 students per teacher
Jones College Prep High School
Standard public school
1,954 students 16.6:1 students per teacher
Mather High School
Standard public school
1,777 students 14:1 students per teacher
Thomas Kelly College Preparatory
Standard public school
1,762 students 15.2:1 students per teacher
Hubbard High School
Standard public school
1,710 students 16.8:1 students per teacher

Educator & family resources

In-depth guides on understanding NCES data, school choice, and education funding.

Understanding NCES data

How CCD, CRDC and EDFacts feed every public-school number you see.

Choose a school district

Eight signals that matter more than the overall ranking number.

How schools are funded

Title I, F-33, state aid formulas and what per-pupil spending really means.

Chronic absenteeism

Why missing 10% of school matters and how it varies by district.

Magnet vs charter vs traditional

Three school types, three funding models, three sets of trade-offs.

School discipline data

What CRDC suspension and expulsion records do and don't reveal.

Before you act on this record

Treat this page as the federal baseline — then verify locally.

  • Compare Senn High School side-by-side with another school you're considering on the same NCES measures. Compare schools
  • Read the district context — spending per pupil, staffing, and equity ranking are district-level decisions that shape this school. District profile
  • Confirm current enrollment windows, programs, and boundaries with the school directly — federal data lags the current school year. Choosing guide

Figures are the school's reported federal record (CCD 2024-25, CRDC 2021-22) — coverage varies by entity type, and PlainSchools does not rate or rank schools.

Frequently asked questions about Senn High School

How many students attend Senn High School?

Senn High School has 1,571 students enrolled. It is a high school in Chicago, IL.

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

The student-teacher ratio at Senn High School is 14.9:1, which is 2% higher than the Illinois average of 14.6:1 and 5% lower than the national average of 15.7:1.

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

The largest demographic group at Senn High School is Hispanic or Latino at 39.7%. The school serves a diverse student body in Chicago, IL.

What is the Resource Investment Index for Senn High School?

Senn High School has a Resource Investment Index of 34/100 (F) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.

Is Senn High School a good school?

Senn High School earns an F Resource Investment Index (34/100), with class sizes near the Illinois median. The Resource Investment Index reflects staffing, counselor access, gifted programs, and attendance reported to NCES, not test scores or academic outcomes, so treat it as a resource snapshot rather than an overall rating.

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Read our methodology — how this data is sourced, computed, and verified.

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
  • NCES Common Core of Data (CCD) — universe of U.S. public schools and districts. nces.ed.gov/ccd
  • NCES Civil Rights Data Collection (CRDC) — discipline, absenteeism, and AP-course participation. ocrdata.ed.gov
  • NCES F-33 School District Finance Survey — per-pupil expenditure and revenue sources. nces.ed.gov/ccd/f33agency
  • USDA National School Lunch Program (NSLP) — free and reduced-price lunch eligibility. fns.usda.gov/nslp
  • U.S. Census Bureau ACS — demographic and socioeconomic context for school catchment areas. census.gov/programs-surveys/acs
  • U.S. Department of Education ESSA Title I — federal Title I program participation. ed.gov