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

Quincy Sr High School

Federal NCES profile for Quincy Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 173300005053
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Compiled from official source data by .
0/100100/10037/100
👥 S:T ratio
24
🌟 Gifted program
70
🎓 Counselors
54
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Quincy Sr High School earns 37/100 on the Resource Investment Index, with class sizes larger than 94% of Illinois schools. It is also one of the largest schools in Illinois.

#7 of 8
public schools in Quincy · Resource Index
37
Resource Index · Typical
19:1
large classes for Illinois
1,847
students enrolled

Quincy Sr High School has class sizes larger than 94% of Illinois schools. Computed live against every Illinois school reporting to NCES.

By Resource Investment Index, Quincy Sr High School ranks #7 of 8 public schools in Quincy, IL.

School address

Quincy, IL 62301
District: Quincy Sd 172 · Illinois

NCES ID 173300005053 Verify on NCES CCD record →

NCES CCD universe card

School universe 173300005053 · Quincy, IL High · MID · TRAD

1,847 enr · 19:1 · RII 37

Nearest enrollment peer: Quincy Jr High School (1,295 students)

Resource Investment Index #7 of 8 public schools in Quincy. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →

Quincy Sr High School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Quincy Sr High School reports 1,847 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Quincy Sr High School compares

Quincy Sr 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 19:1 ▲ 36% 14:1 15.7:1
Enrollment 1,847 top 3% - -

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

19:1
Leaner classes than 20% of US schools, heavier class loads than most.
1,847
Bigger than 98% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Staffing depth
19:1
students per teacher - 36% above state mean
Top 94% in Illinois - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
50.1%
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
$12,997
per pupil, district-wide - below Illinois avg of $18,196
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors8.0 FTE
Per 231 students, the combined health-and-guidance staffing load for this school.
Discipline context
283
in-school suspensions + 0 out-of-school
Suspension rate: 15.3 per 100 students. Combined in-school and out-of-school rate: 15.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.

Student demographics

White 76.3%
Two or More 9.8%
African American 7.3%
Hispanic or Latino 4.8%
Asian 1.4%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.2%

Largest group: White at 76.3% of enrollment.

Student-body diversity index 40.0/100

Simpson diversity index - at 40.0, Quincy Sr High School is about as mixed as the Illinois school average of 38.9.

Programs

AP courses offered 15
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Quincy Sd 172, which includes Quincy Sr High School.

$12,997
Per student
-29%
vs Illinois
Avg $18,196
-26%
vs U.S.
Avg $17,658
Revenue mix
Local 52.9%
State 32.8%
Federal 14.3%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Quincy Sr High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Quincy Jr High School Smaller No free-lunch data Lower S:T ratio
Lincoln-Douglas Elementary School Smaller No free-lunch data Lower S:T ratio
Thomas S Baldwin Elem Sch Smaller No free-lunch data Lower S:T ratio
Colonel George Iles Elem Sch Smaller No free-lunch data Lower S:T ratio
Sarah Atwater Denman Elem Smaller No free-lunch data Lower S:T ratio

Comparisons are relative to Quincy Sr High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Quincy Sd 172 · 5 sibling schools

View district profile

Nationwide high schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~1,847 students)

Similar student-teacher ratio (~19:1)

Frequently asked questions about Quincy Sr High School

How many students attend Quincy Sr High School?

Quincy Sr High School has 1,847 students enrolled. It is a high school in Quincy, IL.

What is the student-teacher ratio at Quincy Sr High School?

The student-teacher ratio at Quincy Sr High School is 19:1, which is 36% higher than the Illinois average of 14:1 and 21% higher than the national average of 15.7:1.

What is the racial and ethnic makeup of Quincy Sr High School?

The largest demographic group at Quincy Sr High School is White at 76.3% of enrollment, in Quincy, IL.

What is the Resource Investment Index for Quincy Sr High School?

Quincy Sr High School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Quincy Sr High School rank among public schools in Quincy?

By Resource Investment Index, Quincy Sr High School ranks #7 of 8 public schools in Quincy, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Quincy on the city page.

What other schools are in Quincy Sd 172?

Besides Quincy Sr High School, Quincy Sd 172 also operates Quincy Jr High School (1,295 students), Lincoln-Douglas Elementary School (588 students), and Thomas S Baldwin Elem Sch (564 students). See the Quincy Sd 172 district page for the complete list.

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 2022-23) · 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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Compiled from official source data by .

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, the data changelog, or report a data error. Data current as of August 2026.