School overview
At a glance
Reported students
1,777
NCES CCD 2024–25, where reported
Teachers (FTE)
121
NCES CCD 2024–25
Student–teacher ratio
14.7:1
Calculated, not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Illinois high enrollment
88th percentile
Compared with 966 same-level schools reporting enrollment.
District median enrollment
411
Mather High School: 1,777 reported students.
State peer staffing position
71th percentile
14.7:1 reported; state peer median 12.6:1. Ratio is not class size.
Profile interpretation
What the reported data says about Mather High School
Mather High School is a public high school serving grades 09–12 in Chicago. It is one of 641 current school records connected to Chicago Public Schools District 299. NCES reports 1,777 students for 2024–25.
Among 966 high schools in Illinois with comparable records, this school is larger than the reported median of 254 students. Its enrollment is at approximately the 88th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 14.7:1, above the Illinois median of 12.6:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are Hispanic or Latino (49.6%) and Asian (20.7%). English learners represent 29% of enrollment. Students served under IDEA represent 16.3%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to Advanced Placement, computer science. The school reported 19 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking Mather High School
- 1How do the reported 14.7:1 student–teacher ratio and 121 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 6 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 29%
- Students with disabilities
- 16.3%
- Free/reduced-price lunch
- 78.4%
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 6
- Nurses (FTE)
- 0
- Psychologists (FTE)
- 0
- Social workers (FTE)
- 0
Student demographics
Race and ethnicity share of reported enrollment
- White12.8%
- Hispanic49.6%
- Black15%
- Asian20.7%
- American Indian / Alaska Native0.4%
- Native Hawaiian / Pacific Islander0.2%
- Multiracial1.2%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Offered
19 courses reported
Gifted and talented
Not reported as offered
Computer science
Offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in Chicago Public Schools District 299
Start with campuses at the same school level or with similar reported enrollment.
Thomas Kelly College Preparatory
High · Grades 09–12
1,762 reported students
Hubbard High School
High · Grades 09–12
1,710 reported students
Von Steuben Metro Science HS
High · Grades 09–12
1,698 reported students
Kennedy High School
High · Grades 09–12
1,647 reported students
Jones College Prep High School
High · Grades 09–12
1,954 reported students
Juarez Community Academy HS
High · Grades 09–12
1,585 reported students