Enrollment
1,884
Illinois · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 171824002100
Harlem High School — Machesney Park, IL
Federal NCES profile for Harlem High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — composite Resource Quality Score 57/100.
School address
District: Harlem Ud 122 · 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.
Teachers (FTE)
137.0
Federal CCD staff survey
Students per teacher
13.7:1
vs 14.6:1 Illinois avg
-6% vs state
Student-teacher ratio in context
How Harlem High School compares with Illinois and U.S. medians
What this school's NCES data tells you
Harlem High School reports 1,884 enrolled students to the National Center for Education Statistics (NCES) alongside 137.0 full-time-equivalent teachers, producing a 13.7:1 student-teacher ratio. That figure sits 6% below the Illinois state mean of 14.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 14% lower, a useful calibration for families comparing districts across state lines.
The school offers 29 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 236 students per counselor, meeting the American School Counselor Association recommendation of 250:1.
On the finance side, the surrounding Harlem Ud 122 spends $20,135 per pupil district-wide, above the Illinois average of $20,099 and above the national average of $19,490. Revenue comes 41.1% from local sources (property taxes), 46.8% from the state, and 12.1% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a composite Resource Quality Grade of C (57/100), calculated from 4 distinct NCES and CRDC indicators.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Harlem 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 | Illinois avg | U.S. avg |
|---|---|---|---|
| Students per teacher | 13.7:1 | 14.6:1 | 15.9:1 |
| Enrollment (students) | 1,884 | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Overview
Enrollment 1,884
Teachers (FTE) 137.0
Students per teacher 13.7:1 -6% vs state
Free-lunch eligible —
NCES ID 171824002100
Student demographics
White 65.2%
Hispanic or Latino 16.7%
Two or More 8.6%
African American 7.9%
Asian 1.4%
American Indian / Alaska Native 0.3%
Largest group: White at 65.2% of enrollment.
Programs & staff
AP courses offered 29
Counselors (FTE) 8.0
Students per counselor 236:1
Discipline & special education
In-school suspensions 308
Out-of-school suspensions 198
Funding & spending
District-wide per-pupil expenditure for Harlem Ud 122, which includes Harlem High School.
$20,135
Per student
+0%
vs Illinois
Avg $20,099
+3%
vs U.S.
Avg $19,490
Revenue mix
Local 41.1%
State 46.8%
Federal 12.1%
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
- Enrollment
- 1,330
- Students per teacher
- 12.1:1
- Enrollment
- 571
- Students per teacher
- 16.3:1
- Enrollment
- 361
- Students per teacher
- 13.2:1
- Enrollment
- 315
- Students per teacher
- 13.5:1
- Enrollment
- 313
- Students per teacher
- 19.5:1
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.
Frequently asked questions about Harlem High School
How many students attend Harlem High School?
Harlem High School has 1,884 students enrolled. It is a high school in Machesney Park, IL.
What is the student-teacher ratio at Harlem High School?
The student-teacher ratio at Harlem High School is 13.7:1, which is 6% lower than the Illinois average of 14.6:1 and 14% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Harlem High School?
The largest demographic group at Harlem High School is White at 65.2%. The school serves a diverse student body in Machesney Park, IL.
What is the quality grade for Harlem High School?
Harlem High School receives a Resource Quality Grade of C (57/100) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. This grade reflects available federal resource indicators, not standardized test scores.
Related data sources
PlainSchools is part of a network of US-data portals — these companion sites surface adjacent context.