Enrollment
873
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Chicago, IL
Horizon Science Acad-Mckinley Pk
Federal NCES profile for Horizon Science Acad-Mckinley Pk, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataOther / mixed grade configurationNCES 170141006254Charter school
👥 S:T ratio 50
🌟 Gifted program 30
🎓 Counselors 13
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Horizon Science Acad-Mckinley Pk earns 31/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #171 of 394
- schools in Chicago · Resource Index
- 31
- Resource Index · Lower
- 12.5:1
- students per teacher
- 873
- students enrolled
Horizon Science Acad-Mckinley Pk has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Horizon Science Acad-Mckinley Pk ranks #171 of 394 schools in Chicago, IL.
School address
District: Horizon Science Acad-Mckinley Pk · Illinois
NCES ID 170141006254 Verify on NCES CCD record →
Teachers (FTE)
70.0
Federal CCD staff survey
Students per teacher
12.5:1
vs 14:1 Illinois avg
-11% vs state
Student-teacher ratio in context
How Horizon Science Acad-Mckinley Pk compares with Illinois and U.S. medians
What stands out at Horizon Science Acad-Mckinley Pk
Horizon Science Acad-Mckinley Pk is a large charter combined-grade school in Chicago, Illinois, enrolling 873 students.
Class sizes run a bit leaner than typical: 12.5:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 91% of state schools at 873 students.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is predominantly Hispanic or Latino (83% of enrollment) (diversity index 30/100).
Counselor access is stretched at roughly 437 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 27.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Chicago's public schools, it stands alongside Lane Technical High School (4,604 students): Horizon Science Acad-Mckinley Pk is smaller than that campus by headcount and runs leaner classes (12.5:1 vs 17.8:1).
Horizon Science Acad-Mckinley Pk is a single-school charter district, so Horizon Science Acad-Mckinley Pk operates independently rather than alongside district-mates.
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 Horizon Science Acad-Mckinley Pk compares
Horizon Science Acad-Mckinley Pk on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.5:1 | ▼ 11% | 14:1 | 15.7:1 |
| Enrollment | 873 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.5:1
Leaner classes than 71% of US schools, among the more generously staffed nationally.
873
Bigger than 88% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
12.5:1
students per teacher
- 11% below state mean
Top 35% in Illinois - lower ratio than 65% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
27.8%
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.
Support staff
Counselors2.0 FTE
Per 437 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 37 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 5.3 per 100 students. Reported via the Civil Rights Data Collection.
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
Hispanic or Latino 82.5%
African American 10.7%
White 6.2%
Asian 0.3%
Two or More 0.2%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 82.5% of enrollment.
Student-body diversity index 30.4/100
Simpson diversity index - at 30.4, Horizon Science Acad-Mckinley Pk is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 16
Similar other schools in Chicago
6 comparable other schools (grades Mixed) serving the same city.
Lane Technical High School
Standard public school
4,604 students 17.8:1 students per teacher
Taft High School
Standard public school
4,487 students 16.7:1 students per teacher
Kenwood Academy High School
Standard public school
2,268 students 18.6:1 students per teacher
Young Magnet High School
Standard public school
2,223 students 17.5:1 students per teacher
Disney Elem Magnet School
Standard public school
1,384 students 15.2:1 students per teacher
Morgan Park High School
Standard public school
1,349 students 19:1 students per teacher
Similar other 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.
Similar enrollment (~873 students)
Next steps
Verify locally before acting on Horizon Science Acad-Mckinley Pk's federal record.
- Compare Horizon Science Acad-Mckinley Pk against another school. Compare schools
- Horizon Science Acad-Mckinley Pk's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Horizon Science Acad-Mckinley Pk
How many students attend Horizon Science Acad-Mckinley Pk?
Horizon Science Acad-Mckinley Pk has 873 students enrolled. It is a public school in Chicago, IL.
What is the student-teacher ratio at Horizon Science Acad-Mckinley Pk?
The student-teacher ratio at Horizon Science Acad-Mckinley Pk is 12.5:1, which is 11% lower than the Illinois average of 14:1 and 20% 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 Horizon Science Acad-Mckinley Pk?
The largest demographic group at Horizon Science Acad-Mckinley Pk is Hispanic or Latino at 82.5% of enrollment, in Chicago, IL.
What is the Resource Investment Index for Horizon Science Acad-Mckinley Pk?
Horizon Science Acad-Mckinley Pk has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Horizon Science Acad-Mckinley Pk rank among schools in Chicago?
By Resource Investment Index, Horizon Science Acad-Mckinley Pk ranks #171 of 394 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 schools in Chicago on the city page.
Is Horizon Science Acad-Mckinley Pk a good school?
Horizon Science Acad-Mckinley Pk earns 31/100 on the Resource Investment Index, with class sizes near the Illinois median. 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 Horizon Science Acad-Mckinley Pk?
None; Horizon Science Acad-Mckinley Pk is a single-school charter district, and Horizon Science Acad-Mckinley Pk is its only campus.
Related tools
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.