- Enrollment
- 4,604
- Students per teacher
- 17.8:1
- Resource Index
- 38/100
High school (grades 9-12) · Chicago, IL
Mather High School
Federal NCES profile for Mather High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170993000977
👥 S:T ratio 43
🌟 Gifted program 30
🎓 Counselors 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mather High School earns 38/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also one of the largest schools in Illinois.
- #38 of 130
- high schools in Chicago · Resource Index
- 38
- Resource Index · Typical
- 14.2:1
- students per teacher
- 1,777
- students enrolled
Mather High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Mather High School ranks #38 of 130 high schools in Chicago, IL.
School address
District: City of Chicago Sd 299 · Illinois
NCES ID 170993000977 Verify on NCES CCD record →
NCES CCD universe card
School universe 170993000977 · Chicago, IL High · MID · TRAD
1,777 enr · 14.2:1 · RII 38
Nearest enrollment peer: Lane Technical High School (4,604 students)
Resource Investment Index #38 of 130 high schools in Chicago. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Mather High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lane Technical
Lane Technical High School
4,604 students
- Taft High Scho
Taft High School
4,487 students
- Curie Metropol
Curie Metropolitan High School
3,099 students
- Kenwood Academ
Kenwood Academy High School
2,268 students
- Young Magnet H
Young Magnet High School
2,223 students
- This school 1,777
Mather High School
1,777 students
What this shows Mather High School reports 1,777 students on the CCD universe file.
How Mather High School compares
Mather 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 | 14.2:1 | ▲ 1% | 14:1 | 15.7:1 |
| Enrollment | 1,777 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
1,777
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.2:1
students per teacher
- 1% above state mean
Top 60% in Illinois - lower ratio than 40% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$22,699
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 296 students, the combined health-and-guidance staffing load for this school.
Discipline context
20
in-school suspensions + 76 out-of-school
Suspension rate: 1.1 per 100 students. Combined in-school and out-of-school rate: 5.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
Hispanic or Latino 49.6%
Asian 20.7%
African American 15.0%
White 12.8%
Two or More 1.2%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 49.6% of enrollment.
Student-body diversity index 67.2/100
Simpson diversity index - at 67.2, Mather High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 19
Funding & spending
District-wide per-pupil expenditure for City of Chicago Sd 299, which includes Mather High School.
$22,699
Per student
+25%
vs Illinois
Avg $18,196
+29%
vs U.S.
Avg $17,658
Revenue mix
Local 52.8%
State 29.9%
Federal 17.4%
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 Mather 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 Mather High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 4,487
- Students per teacher
- 16.7:1
- Resource Index
- 41/100
- Enrollment
- 3,099
- Students per teacher
- 16.1:1
- Resource Index
- 32/100
- Enrollment
- 2,268
- Students per teacher
- 18.6:1
- Resource Index
- 34/100
- Enrollment
- 2,223
- Students per teacher
- 17.5:1
- Resource Index
- 52/100
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 16.1:1 students per teacher
Lincoln Park High School
Standard public school
2,214 students 16.3:1 students per teacher
Jones College Prep High School
Standard public school
1,954 students 16.7:1 students per teacher
Thomas Kelly College Preparatory
Standard public school
1,762 students 14.1:1 students per teacher
Hubbard High School
Standard public school
1,710 students 15.8:1 students per teacher
Von Steuben Metro Science Hs
Standard public school
1,698 students 16.3:1 students per teacher
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 (~1,777 students)
Frequently asked questions about Mather High School
How many students attend Mather High School?
Mather High School has 1,777 students enrolled. It is a high school in Chicago, IL.
What is the student-teacher ratio at Mather High School?
The student-teacher ratio at Mather High School is 14.2:1, which is 1% higher than the Illinois average of 14:1 and 10% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Mather High School?
The largest demographic group at Mather High School is Hispanic or Latino at 49.6% of enrollment, in Chicago, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.2/100.
What is the Resource Investment Index for Mather High School?
Mather High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mather High School rank among high schools in Chicago?
By Resource Investment Index, Mather High School ranks #38 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.
What other schools are in City of Chicago Sd 299?
Besides Mather 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, the data changelog, or report a data error. Data current as of August 2026.